Finding the Third Proportional to 100,991.25 and 149,535

Step by Step Solution

1. Step 1: Write the proportion equation
   100,991.25 : 149,535 = 149,535 : x
2. Step 2: Convert to fraction form
   100,991.25/149,535 = 149,535/x
3. Step 3: Cross multiply
   100,991.25x = 149,535 × 149,535
4. Step 4: Simplify right side
   100,991.25x = 22,360,716,225
5. Step 5: Solve for x
   x = 22,360,716,225/100,991.25
6. Step 6: Final answer
   x = 221,412.41