Finding the Third Proportional to 429,144 and 913,728

Step by Step Solution

1. Step 1: Write the proportion equation
   429,144 : 913,728 = 913,728 : x
2. Step 2: Convert to fraction form
   429,144/913,728 = 913,728/x
3. Step 3: Cross multiply
   429,144x = 913,728 × 913,728
4. Step 4: Simplify right side
   429,144x = 834,898,857,984
5. Step 5: Solve for x
   x = 834,898,857,984/429,144
6. Step 6: Final answer
   x = 1,945,498.15