Finding the Third Proportional to 1,209,754,932 and 1,868,357,762

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,754,932 : 1,868,357,762 = 1,868,357,762 : x
2. Step 2: Convert to fraction form
   1,209,754,932/1,868,357,762 = 1,868,357,762/x
3. Step 3: Cross multiply
   1,209,754,932x = 1,868,357,762 × 1,868,357,762
4. Step 4: Simplify right side
   1,209,754,932x = 3,490,760,726,825,648,640
5. Step 5: Solve for x
   x = 3,490,760,726,825,648,640/1,209,754,932
6. Step 6: Final answer
   x = 2,885,510,638.96