Finding the Third Proportional to 231,642 and 500,186.25

Step by Step Solution

1. Step 1: Write the proportion equation
   231,642 : 500,186.25 = 500,186.25 : x
2. Step 2: Convert to fraction form
   231,642/500,186.25 = 500,186.25/x
3. Step 3: Cross multiply
   231,642x = 500,186.25 × 500,186.25
4. Step 4: Simplify right side
   231,642x = 250,186,284,689.06
5. Step 5: Solve for x
   x = 250,186,284,689.06/231,642
6. Step 6: Final answer
   x = 1,080,055.80