Finding the Third Proportional to 47,129 and 102,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,129 : 102,587.50 = 102,587.50 : x
2. Step 2: Convert to fraction form
   47,129/102,587.50 = 102,587.50/x
3. Step 3: Cross multiply
   47,129x = 102,587.50 × 102,587.50
4. Step 4: Simplify right side
   47,129x = 10,524,195,156.25
5. Step 5: Solve for x
   x = 10,524,195,156.25/47,129
6. Step 6: Final answer
   x = 223,306.14