Finding the Third Proportional to 49,867.25 and 72,872.13

Step by Step Solution

1. Step 1: Write the proportion equation
   49,867.25 : 72,872.13 = 72,872.13 : x
2. Step 2: Convert to fraction form
   49,867.25/72,872.13 = 72,872.13/x
3. Step 3: Cross multiply
   49,867.25x = 72,872.13 × 72,872.13
4. Step 4: Simplify right side
   49,867.25x = 5,310,346,602.02
5. Step 5: Solve for x
   x = 5,310,346,602.02/49,867.25
6. Step 6: Final answer
   x = 106,489.66