Finding the Third Proportional to 99,196.68 and 149,019.28

Step by Step Solution

1. Step 1: Write the proportion equation
   99,196.68 : 149,019.28 = 149,019.28 : x
2. Step 2: Convert to fraction form
   99,196.68/149,019.28 = 149,019.28/x
3. Step 3: Cross multiply
   99,196.68x = 149,019.28 × 149,019.28
4. Step 4: Simplify right side
   99,196.68x = 22,206,744,437.95
5. Step 5: Solve for x
   x = 22,206,744,437.95/99,196.68
6. Step 6: Final answer
   x = 223,865.80