Finding the Third Proportional to 414,345 and 907,746

Step by Step Solution

1. Step 1: Write the proportion equation
   414,345 : 907,746 = 907,746 : x
2. Step 2: Convert to fraction form
   414,345/907,746 = 907,746/x
3. Step 3: Cross multiply
   414,345x = 907,746 × 907,746
4. Step 4: Simplify right side
   414,345x = 824,002,800,516
5. Step 5: Solve for x
   x = 824,002,800,516/414,345
6. Step 6: Final answer
   x = 1,988,687.69