Finding the Third Proportional to 65,580 and 99,150

Step by Step Solution

1. Step 1: Write the proportion equation
   65,580 : 99,150 = 99,150 : x
2. Step 2: Convert to fraction form
   65,580/99,150 = 99,150/x
3. Step 3: Cross multiply
   65,580x = 99,150 × 99,150
4. Step 4: Simplify right side
   65,580x = 9,830,722,500
5. Step 5: Solve for x
   x = 9,830,722,500/65,580
6. Step 6: Final answer
   x = 149,904.28