Finding the Third Proportional to 47,187 and 71,385

Step by Step Solution

1. Step 1: Write the proportion equation
   47,187 : 71,385 = 71,385 : x
2. Step 2: Convert to fraction form
   47,187/71,385 = 71,385/x
3. Step 3: Cross multiply
   47,187x = 71,385 × 71,385
4. Step 4: Simplify right side
   47,187x = 5,095,818,225
5. Step 5: Solve for x
   x = 5,095,818,225/47,187
6. Step 6: Final answer
   x = 107,991.99