Finding the Third Proportional to 231,090 and 500,086.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,090 : 500,086.50 = 500,086.50 : x
2. Step 2: Convert to fraction form
   231,090/500,086.50 = 500,086.50/x
3. Step 3: Cross multiply
   231,090x = 500,086.50 × 500,086.50
4. Step 4: Simplify right side
   231,090x = 250,086,507,482.25
5. Step 5: Solve for x
   x = 250,086,507,482.25/231,090
6. Step 6: Final answer
   x = 1,082,203.94