Finding the Third Proportional to 100,429.50 and 137,713

Step by Step Solution

1. Step 1: Write the proportion equation
   100,429.50 : 137,713 = 137,713 : x
2. Step 2: Convert to fraction form
   100,429.50/137,713 = 137,713/x
3. Step 3: Cross multiply
   100,429.50x = 137,713 × 137,713
4. Step 4: Simplify right side
   100,429.50x = 18,964,870,369
5. Step 5: Solve for x
   x = 18,964,870,369/100,429.50
6. Step 6: Final answer
   x = 188,837.65