Finding the Third Proportional to 870,942,353,638.50 and 1,366,251,557,499

Step by Step Solution

1. Step 1: Write the proportion equation
   870,942,353,638.50 : 1,366,251,557,499 = 1,366,251,557,499 : x
2. Step 2: Convert to fraction form
   870,942,353,638.50/1,366,251,557,499 = 1,366,251,557,499/x
3. Step 3: Cross multiply
   870,942,353,638.50x = 1,366,251,557,499 × 1,366,251,557,499
4. Step 4: Simplify right side
   870,942,353,638.50x = 1,866,643,318,368,443,350,122,496
5. Step 5: Solve for x
   x = 1,866,643,318,368,443,350,122,496/870,942,353,638.50
6. Step 6: Final answer
   x = 2,143,245,543,829.90