Finding the Third Proportional to 99,043.50 and 148,186.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,043.50 : 148,186.50 = 148,186.50 : x
2. Step 2: Convert to fraction form
   99,043.50/148,186.50 = 148,186.50/x
3. Step 3: Cross multiply
   99,043.50x = 148,186.50 × 148,186.50
4. Step 4: Simplify right side
   99,043.50x = 21,959,238,782.25
5. Step 5: Solve for x
   x = 21,959,238,782.25/99,043.50
6. Step 6: Final answer
   x = 221,713.07