Finding the Third Proportional to 99,649.50 and 148,055.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,649.50 : 148,055.25 = 148,055.25 : x
2. Step 2: Convert to fraction form
   99,649.50/148,055.25 = 148,055.25/x
3. Step 3: Cross multiply
   99,649.50x = 148,055.25 × 148,055.25
4. Step 4: Simplify right side
   99,649.50x = 21,920,357,052.56
5. Step 5: Solve for x
   x = 21,920,357,052.56/99,649.50
6. Step 6: Final answer
   x = 219,974.58