Finding the Third Proportional to 74,484 and 152,248.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,484 : 152,248.50 = 152,248.50 : x
2. Step 2: Convert to fraction form
   74,484/152,248.50 = 152,248.50/x
3. Step 3: Cross multiply
   74,484x = 152,248.50 × 152,248.50
4. Step 4: Simplify right side
   74,484x = 23,179,605,752.25
5. Step 5: Solve for x
   x = 23,179,605,752.25/74,484
6. Step 6: Final answer
   x = 311,202.48