Finding the Third Proportional to 35,139 and 76,285.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,139 : 76,285.50 = 76,285.50 : x
2. Step 2: Convert to fraction form
   35,139/76,285.50 = 76,285.50/x
3. Step 3: Cross multiply
   35,139x = 76,285.50 × 76,285.50
4. Step 4: Simplify right side
   35,139x = 5,819,477,510.25
5. Step 5: Solve for x
   x = 5,819,477,510.25/35,139
6. Step 6: Final answer
   x = 165,613.07