Finding the Third Proportional to 99,212.50 and 149,041.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,212.50 : 149,041.50 = 149,041.50 : x
2. Step 2: Convert to fraction form
   99,212.50/149,041.50 = 149,041.50/x
3. Step 3: Cross multiply
   99,212.50x = 149,041.50 × 149,041.50
4. Step 4: Simplify right side
   99,212.50x = 22,213,368,722.25
5. Step 5: Solve for x
   x = 22,213,368,722.25/99,212.50
6. Step 6: Final answer
   x = 223,896.88