Finding the Third Proportional to 351,126 and 529,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   351,126 : 529,789.50 = 529,789.50 : x
2. Step 2: Convert to fraction form
   351,126/529,789.50 = 529,789.50/x
3. Step 3: Cross multiply
   351,126x = 529,789.50 × 529,789.50
4. Step 4: Simplify right side
   351,126x = 280,676,914,310.25
5. Step 5: Solve for x
   x = 280,676,914,310.25/351,126
6. Step 6: Final answer
   x = 799,362.38