Finding the Third Proportional to 492,642 and 748,215.56

Step by Step Solution

1. Step 1: Write the proportion equation
   492,642 : 748,215.56 = 748,215.56 : x
2. Step 2: Convert to fraction form
   492,642/748,215.56 = 748,215.56/x
3. Step 3: Cross multiply
   492,642x = 748,215.56 × 748,215.56
4. Step 4: Simplify right side
   492,642x = 559,826,527,967.19
5. Step 5: Solve for x
   x = 559,826,527,967.19/492,642
6. Step 6: Final answer
   x = 1,136,375.96