Finding the Third Proportional to 99,715.50 and 149,642

Step by Step Solution

1. Step 1: Write the proportion equation
   99,715.50 : 149,642 = 149,642 : x
2. Step 2: Convert to fraction form
   99,715.50/149,642 = 149,642/x
3. Step 3: Cross multiply
   99,715.50x = 149,642 × 149,642
4. Step 4: Simplify right side
   99,715.50x = 22,392,728,164
5. Step 5: Solve for x
   x = 22,392,728,164/99,715.50
6. Step 6: Final answer
   x = 224,566.17