Finding the Third Proportional to 429,451 and 631,054

Step by Step Solution

1. Step 1: Write the proportion equation
   429,451 : 631,054 = 631,054 : x
2. Step 2: Convert to fraction form
   429,451/631,054 = 631,054/x
3. Step 3: Cross multiply
   429,451x = 631,054 × 631,054
4. Step 4: Simplify right side
   429,451x = 398,229,150,916
5. Step 5: Solve for x
   x = 398,229,150,916/429,451
6. Step 6: Final answer
   x = 927,298.23