Finding the Third Proportional to 71,910 and 108,870.75

Step by Step Solution

1. Step 1: Write the proportion equation
   71,910 : 108,870.75 = 108,870.75 : x
2. Step 2: Convert to fraction form
   71,910/108,870.75 = 108,870.75/x
3. Step 3: Cross multiply
   71,910x = 108,870.75 × 108,870.75
4. Step 4: Simplify right side
   71,910x = 11,852,840,205.56
5. Step 5: Solve for x
   x = 11,852,840,205.56/71,910
6. Step 6: Final answer
   x = 164,828.82