Finding the Third Proportional to 99,002.25 and 231,012

Step by Step Solution

1. Step 1: Write the proportion equation
   99,002.25 : 231,012 = 231,012 : x
2. Step 2: Convert to fraction form
   99,002.25/231,012 = 231,012/x
3. Step 3: Cross multiply
   99,002.25x = 231,012 × 231,012
4. Step 4: Simplify right side
   99,002.25x = 53,366,544,144
5. Step 5: Solve for x
   x = 53,366,544,144/99,002.25
6. Step 6: Final answer
   x = 539,043.75