Finding the Third Proportional to 99,339 and 149,227.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,339 : 149,227.50 = 149,227.50 : x
2. Step 2: Convert to fraction form
   99,339/149,227.50 = 149,227.50/x
3. Step 3: Cross multiply
   99,339x = 149,227.50 × 149,227.50
4. Step 4: Simplify right side
   99,339x = 22,268,846,756.25
5. Step 5: Solve for x
   x = 22,268,846,756.25/99,339
6. Step 6: Final answer
   x = 224,170.23