Finding the Third Proportional to 529,418 and 799,063.50

Step by Step Solution

1. Step 1: Write the proportion equation
   529,418 : 799,063.50 = 799,063.50 : x
2. Step 2: Convert to fraction form
   529,418/799,063.50 = 799,063.50/x
3. Step 3: Cross multiply
   529,418x = 799,063.50 × 799,063.50
4. Step 4: Simplify right side
   529,418x = 638,502,477,032.25
5. Step 5: Solve for x
   x = 638,502,477,032.25/529,418
6. Step 6: Final answer
   x = 1,206,046.03