Finding the Third Proportional to 72,904.50 and 112,587

Step by Step Solution

1. Step 1: Write the proportion equation
   72,904.50 : 112,587 = 112,587 : x
2. Step 2: Convert to fraction form
   72,904.50/112,587 = 112,587/x
3. Step 3: Cross multiply
   72,904.50x = 112,587 × 112,587
4. Step 4: Simplify right side
   72,904.50x = 12,675,832,569
5. Step 5: Solve for x
   x = 12,675,832,569/72,904.50
6. Step 6: Final answer
   x = 173,869.00