Finding the Third Proportional to 435,340.50 and 627,055.50

Step by Step Solution

1. Step 1: Write the proportion equation
   435,340.50 : 627,055.50 = 627,055.50 : x
2. Step 2: Convert to fraction form
   435,340.50/627,055.50 = 627,055.50/x
3. Step 3: Cross multiply
   435,340.50x = 627,055.50 × 627,055.50
4. Step 4: Simplify right side
   435,340.50x = 393,198,600,080.25
5. Step 5: Solve for x
   x = 393,198,600,080.25/435,340.50
6. Step 6: Final answer
   x = 903,197.84