Finding the Third Proportional to 637,725.25 and 1,399,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   637,725.25 : 1,399,851.50 = 1,399,851.50 : x
2. Step 2: Convert to fraction form
   637,725.25/1,399,851.50 = 1,399,851.50/x
3. Step 3: Cross multiply
   637,725.25x = 1,399,851.50 × 1,399,851.50
4. Step 4: Simplify right side
   637,725.25x = 1,959,584,222,052.25
5. Step 5: Solve for x
   x = 1,959,584,222,052.25/637,725.25
6. Step 6: Final answer
   x = 3,072,771.89