Finding the Third Proportional to 686,566.13 and 1,435,873.50

Step by Step Solution

1. Step 1: Write the proportion equation
   686,566.13 : 1,435,873.50 = 1,435,873.50 : x
2. Step 2: Convert to fraction form
   686,566.13/1,435,873.50 = 1,435,873.50/x
3. Step 3: Cross multiply
   686,566.13x = 1,435,873.50 × 1,435,873.50
4. Step 4: Simplify right side
   686,566.13x = 2,061,732,708,002.25
5. Step 5: Solve for x
   x = 2,061,732,708,002.25/686,566.13
6. Step 6: Final answer
   x = 3,002,963.05