Finding the Third Proportional to 231,430 and 481,292

Step by Step Solution

1. Step 1: Write the proportion equation
   231,430 : 481,292 = 481,292 : x
2. Step 2: Convert to fraction form
   231,430/481,292 = 481,292/x
3. Step 3: Cross multiply
   231,430x = 481,292 × 481,292
4. Step 4: Simplify right side
   231,430x = 231,641,989,264
5. Step 5: Solve for x
   x = 231,641,989,264/231,430
6. Step 6: Final answer
   x = 1,000,916.00