Finding the Third Proportional to 48,701.63 and 72,856.13

Step by Step Solution

1. Step 1: Write the proportion equation
   48,701.63 : 72,856.13 = 72,856.13 : x
2. Step 2: Convert to fraction form
   48,701.63/72,856.13 = 72,856.13/x
3. Step 3: Cross multiply
   48,701.63x = 72,856.13 × 72,856.13
4. Step 4: Simplify right side
   48,701.63x = 5,308,014,950.02
5. Step 5: Solve for x
   x = 5,308,014,950.02/48,701.63
6. Step 6: Final answer
   x = 108,990.51