Finding the Third Proportional to 72,484 and 111,550

Step by Step Solution

1. Step 1: Write the proportion equation
   72,484 : 111,550 = 111,550 : x
2. Step 2: Convert to fraction form
   72,484/111,550 = 111,550/x
3. Step 3: Cross multiply
   72,484x = 111,550 × 111,550
4. Step 4: Simplify right side
   72,484x = 12,443,402,500
5. Step 5: Solve for x
   x = 12,443,402,500/72,484
6. Step 6: Final answer
   x = 171,671.02