Finding the Third Proportional to 71,902.50 and 108,858

Step by Step Solution

1. Step 1: Write the proportion equation
   71,902.50 : 108,858 = 108,858 : x
2. Step 2: Convert to fraction form
   71,902.50/108,858 = 108,858/x
3. Step 3: Cross multiply
   71,902.50x = 108,858 × 108,858
4. Step 4: Simplify right side
   71,902.50x = 11,850,064,164
5. Step 5: Solve for x
   x = 11,850,064,164/71,902.50
6. Step 6: Final answer
   x = 164,807.40