Finding the Third Proportional to 1,680,496 and 3,687,536

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680,496 : 3,687,536 = 3,687,536 : x
2. Step 2: Convert to fraction form
   1,680,496/3,687,536 = 3,687,536/x
3. Step 3: Cross multiply
   1,680,496x = 3,687,536 × 3,687,536
4. Step 4: Simplify right side
   1,680,496x = 13,597,921,751,296
5. Step 5: Solve for x
   x = 13,597,921,751,296/1,680,496
6. Step 6: Final answer
   x = 8,091,612.09