Finding the Third Proportional to 658,584 and 1,047,312

Step by Step Solution

1. Step 1: Write the proportion equation
   658,584 : 1,047,312 = 1,047,312 : x
2. Step 2: Convert to fraction form
   658,584/1,047,312 = 1,047,312/x
3. Step 3: Cross multiply
   658,584x = 1,047,312 × 1,047,312
4. Step 4: Simplify right side
   658,584x = 1,096,862,425,344
5. Step 5: Solve for x
   x = 1,096,862,425,344/658,584
6. Step 6: Final answer
   x = 1,665,485.99