Finding the Third Proportional to 49,359 and 72,187

Step by Step Solution

1. Step 1: Write the proportion equation
   49,359 : 72,187 = 72,187 : x
2. Step 2: Convert to fraction form
   49,359/72,187 = 72,187/x
3. Step 3: Cross multiply
   49,359x = 72,187 × 72,187
4. Step 4: Simplify right side
   49,359x = 5,210,962,969
5. Step 5: Solve for x
   x = 5,210,962,969/49,359
6. Step 6: Final answer
   x = 105,572.70