Finding the Third Proportional to 72,921.94 and 112,495.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,921.94 : 112,495.50 = 112,495.50 : x
2. Step 2: Convert to fraction form
   72,921.94/112,495.50 = 112,495.50/x
3. Step 3: Cross multiply
   72,921.94x = 112,495.50 × 112,495.50
4. Step 4: Simplify right side
   72,921.94x = 12,655,237,520.25
5. Step 5: Solve for x
   x = 12,655,237,520.25/72,921.94
6. Step 6: Final answer
   x = 173,545.00