Finding the Third Proportional to 100,651.50 and 138,435

Step by Step Solution

1. Step 1: Write the proportion equation
   100,651.50 : 138,435 = 138,435 : x
2. Step 2: Convert to fraction form
   100,651.50/138,435 = 138,435/x
3. Step 3: Cross multiply
   100,651.50x = 138,435 × 138,435
4. Step 4: Simplify right side
   100,651.50x = 19,164,249,225
5. Step 5: Solve for x
   x = 19,164,249,225/100,651.50
6. Step 6: Final answer
   x = 190,402.02