Finding the Third Proportional to 639,535.50 and 1,375,845

Step by Step Solution

1. Step 1: Write the proportion equation
   639,535.50 : 1,375,845 = 1,375,845 : x
2. Step 2: Convert to fraction form
   639,535.50/1,375,845 = 1,375,845/x
3. Step 3: Cross multiply
   639,535.50x = 1,375,845 × 1,375,845
4. Step 4: Simplify right side
   639,535.50x = 1,892,949,464,025
5. Step 5: Solve for x
   x = 1,892,949,464,025/639,535.50
6. Step 6: Final answer
   x = 2,959,881.76