Finding the Third Proportional to 99,166.78 and 148,966.59

Step by Step Solution

1. Step 1: Write the proportion equation
   99,166.78 : 148,966.59 = 148,966.59 : x
2. Step 2: Convert to fraction form
   99,166.78/148,966.59 = 148,966.59/x
3. Step 3: Cross multiply
   99,166.78x = 148,966.59 × 148,966.59
4. Step 4: Simplify right side
   99,166.78x = 22,191,046,053.48
5. Step 5: Solve for x
   x = 22,191,046,053.48/99,166.78
6. Step 6: Final answer
   x = 223,775.00