Finding the Third Proportional to 454,468 and 702,978

Step by Step Solution

1. Step 1: Write the proportion equation
   454,468 : 702,978 = 702,978 : x
2. Step 2: Convert to fraction form
   454,468/702,978 = 702,978/x
3. Step 3: Cross multiply
   454,468x = 702,978 × 702,978
4. Step 4: Simplify right side
   454,468x = 494,178,068,484
5. Step 5: Solve for x
   x = 494,178,068,484/454,468
6. Step 6: Final answer
   x = 1,087,377.04