Finding the Third Proportional to 111,132 and 243,344.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,132 : 243,344.25 = 243,344.25 : x
2. Step 2: Convert to fraction form
   111,132/243,344.25 = 243,344.25/x
3. Step 3: Cross multiply
   111,132x = 243,344.25 × 243,344.25
4. Step 4: Simplify right side
   111,132x = 59,216,424,008.06
5. Step 5: Solve for x
   x = 59,216,424,008.06/111,132
6. Step 6: Final answer
   x = 532,847.64