Finding the Third Proportional to 512,247 and 751,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   512,247 : 751,762.50 = 751,762.50 : x
2. Step 2: Convert to fraction form
   512,247/751,762.50 = 751,762.50/x
3. Step 3: Cross multiply
   512,247x = 751,762.50 × 751,762.50
4. Step 4: Simplify right side
   512,247x = 565,146,856,406.25
5. Step 5: Solve for x
   x = 565,146,856,406.25/512,247
6. Step 6: Final answer
   x = 1,103,270.21