Finding the Third Proportional to 99,054 and 148,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,054 : 148,189.50 = 148,189.50 : x
2. Step 2: Convert to fraction form
   99,054/148,189.50 = 148,189.50/x
3. Step 3: Cross multiply
   99,054x = 148,189.50 × 148,189.50
4. Step 4: Simplify right side
   99,054x = 21,960,127,910.25
5. Step 5: Solve for x
   x = 21,960,127,910.25/99,054
6. Step 6: Final answer
   x = 221,698.55