Finding the Third Proportional to 109,180.13 and 231,482.25

Step by Step Solution

1. Step 1: Write the proportion equation
   109,180.13 : 231,482.25 = 231,482.25 : x
2. Step 2: Convert to fraction form
   109,180.13/231,482.25 = 231,482.25/x
3. Step 3: Cross multiply
   109,180.13x = 231,482.25 × 231,482.25
4. Step 4: Simplify right side
   109,180.13x = 53,584,032,065.06
5. Step 5: Solve for x
   x = 53,584,032,065.06/109,180.13
6. Step 6: Final answer
   x = 490,785.59