Finding the Third Proportional to 48,688.51 and 72,838.15

Step by Step Solution

1. Step 1: Write the proportion equation
   48,688.51 : 72,838.15 = 72,838.15 : x
2. Step 2: Convert to fraction form
   48,688.51/72,838.15 = 72,838.15/x
3. Step 3: Cross multiply
   48,688.51x = 72,838.15 × 72,838.15
4. Step 4: Simplify right side
   48,688.51x = 5,305,396,454.63
5. Step 5: Solve for x
   x = 5,305,396,454.63/48,688.51
6. Step 6: Final answer
   x = 108,966.08