Finding the Third Proportional to 1,680,480 and 3,687,498

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680,480 : 3,687,498 = 3,687,498 : x
2. Step 2: Convert to fraction form
   1,680,480/3,687,498 = 3,687,498/x
3. Step 3: Cross multiply
   1,680,480x = 3,687,498 × 3,687,498
4. Step 4: Simplify right side
   1,680,480x = 13,597,641,500,004
5. Step 5: Solve for x
   x = 13,597,641,500,004/1,680,480
6. Step 6: Final answer
   x = 8,091,522.36