Finding the Third Proportional to 535,279.50 and 788,132.25

Step by Step Solution

1. Step 1: Write the proportion equation
   535,279.50 : 788,132.25 = 788,132.25 : x
2. Step 2: Convert to fraction form
   535,279.50/788,132.25 = 788,132.25/x
3. Step 3: Cross multiply
   535,279.50x = 788,132.25 × 788,132.25
4. Step 4: Simplify right side
   535,279.50x = 621,152,443,490.06
5. Step 5: Solve for x
   x = 621,152,443,490.06/535,279.50
6. Step 6: Final answer
   x = 1,160,426.36