Finding the Third Proportional to 472,513.50 and 711,200.25

Step by Step Solution

1. Step 1: Write the proportion equation
   472,513.50 : 711,200.25 = 711,200.25 : x
2. Step 2: Convert to fraction form
   472,513.50/711,200.25 = 711,200.25/x
3. Step 3: Cross multiply
   472,513.50x = 711,200.25 × 711,200.25
4. Step 4: Simplify right side
   472,513.50x = 505,805,795,600.06
5. Step 5: Solve for x
   x = 505,805,795,600.06/472,513.50
6. Step 6: Final answer
   x = 1,070,457.87