Finding the Third Proportional to 84,159 and 108,337.50

Step by Step Solution

1. Step 1: Write the proportion equation
   84,159 : 108,337.50 = 108,337.50 : x
2. Step 2: Convert to fraction form
   84,159/108,337.50 = 108,337.50/x
3. Step 3: Cross multiply
   84,159x = 108,337.50 × 108,337.50
4. Step 4: Simplify right side
   84,159x = 11,737,013,906.25
5. Step 5: Solve for x
   x = 11,737,013,906.25/84,159
6. Step 6: Final answer
   x = 139,462.37