Finding the Third Proportional to 291,755.25 and 628,150.50

Step by Step Solution

1. Step 1: Write the proportion equation
   291,755.25 : 628,150.50 = 628,150.50 : x
2. Step 2: Convert to fraction form
   291,755.25/628,150.50 = 628,150.50/x
3. Step 3: Cross multiply
   291,755.25x = 628,150.50 × 628,150.50
4. Step 4: Simplify right side
   291,755.25x = 394,573,050,650.25
5. Step 5: Solve for x
   x = 394,573,050,650.25/291,755.25
6. Step 6: Final answer
   x = 1,352,411.14