Finding the Third Proportional to 48,431.25 and 72,695.81

Step by Step Solution

1. Step 1: Write the proportion equation
   48,431.25 : 72,695.81 = 72,695.81 : x
2. Step 2: Convert to fraction form
   48,431.25/72,695.81 = 72,695.81/x
3. Step 3: Cross multiply
   48,431.25x = 72,695.81 × 72,695.81
4. Step 4: Simplify right side
   48,431.25x = 5,284,681,155.04
5. Step 5: Solve for x
   x = 5,284,681,155.04/48,431.25
6. Step 6: Final answer
   x = 109,117.17