Finding the Third Proportional to 74,551.50 and 113,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,551.50 : 113,557.50 = 113,557.50 : x
2. Step 2: Convert to fraction form
   74,551.50/113,557.50 = 113,557.50/x
3. Step 3: Cross multiply
   74,551.50x = 113,557.50 × 113,557.50
4. Step 4: Simplify right side
   74,551.50x = 12,895,305,806.25
5. Step 5: Solve for x
   x = 12,895,305,806.25/74,551.50
6. Step 6: Final answer
   x = 172,971.78