Finding the Third Proportional to 231,189 and 499,602

Step by Step Solution

1. Step 1: Write the proportion equation
   231,189 : 499,602 = 499,602 : x
2. Step 2: Convert to fraction form
   231,189/499,602 = 499,602/x
3. Step 3: Cross multiply
   231,189x = 499,602 × 499,602
4. Step 4: Simplify right side
   231,189x = 249,602,158,404
5. Step 5: Solve for x
   x = 249,602,158,404/231,189
6. Step 6: Final answer
   x = 1,079,645.48