Finding the Third Proportional to 508,213.50 and 748,242

Step by Step Solution

1. Step 1: Write the proportion equation
   508,213.50 : 748,242 = 748,242 : x
2. Step 2: Convert to fraction form
   508,213.50/748,242 = 748,242/x
3. Step 3: Cross multiply
   508,213.50x = 748,242 × 748,242
4. Step 4: Simplify right side
   508,213.50x = 559,866,090,564
5. Step 5: Solve for x
   x = 559,866,090,564/508,213.50
6. Step 6: Final answer
   x = 1,101,635.61