Finding the Third Proportional to 529,132.50 and 798,619.50

Step by Step Solution

1. Step 1: Write the proportion equation
   529,132.50 : 798,619.50 = 798,619.50 : x
2. Step 2: Convert to fraction form
   529,132.50/798,619.50 = 798,619.50/x
3. Step 3: Cross multiply
   529,132.50x = 798,619.50 × 798,619.50
4. Step 4: Simplify right side
   529,132.50x = 637,793,105,780.25
5. Step 5: Solve for x
   x = 637,793,105,780.25/529,132.50
6. Step 6: Final answer
   x = 1,205,356.14