Finding the Third Proportional to 1,689,475 and 3,676,382

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,475 : 3,676,382 = 3,676,382 : x
2. Step 2: Convert to fraction form
   1,689,475/3,676,382 = 3,676,382/x
3. Step 3: Cross multiply
   1,689,475x = 3,676,382 × 3,676,382
4. Step 4: Simplify right side
   1,689,475x = 13,515,784,609,924
5. Step 5: Solve for x
   x = 13,515,784,609,924/1,689,475
6. Step 6: Final answer
   x = 7,999,990.89