Finding the Third Proportional to 502,311 and 753,466.50

Step by Step Solution

1. Step 1: Write the proportion equation
   502,311 : 753,466.50 = 753,466.50 : x
2. Step 2: Convert to fraction form
   502,311/753,466.50 = 753,466.50/x
3. Step 3: Cross multiply
   502,311x = 753,466.50 × 753,466.50
4. Step 4: Simplify right side
   502,311x = 567,711,766,622.25
5. Step 5: Solve for x
   x = 567,711,766,622.25/502,311
6. Step 6: Final answer
   x = 1,130,199.75