Finding the Third Proportional to 112,980 and 243,472

Step by Step Solution

1. Step 1: Write the proportion equation
   112,980 : 243,472 = 243,472 : x
2. Step 2: Convert to fraction form
   112,980/243,472 = 243,472/x
3. Step 3: Cross multiply
   112,980x = 243,472 × 243,472
4. Step 4: Simplify right side
   112,980x = 59,278,614,784
5. Step 5: Solve for x
   x = 59,278,614,784/112,980
6. Step 6: Final answer
   x = 524,682.38