Finding the Third Proportional to 786,838 and 1,154,428

Step by Step Solution

1. Step 1: Write the proportion equation
   786,838 : 1,154,428 = 1,154,428 : x
2. Step 2: Convert to fraction form
   786,838/1,154,428 = 1,154,428/x
3. Step 3: Cross multiply
   786,838x = 1,154,428 × 1,154,428
4. Step 4: Simplify right side
   786,838x = 1,332,704,007,184
5. Step 5: Solve for x
   x = 1,332,704,007,184/786,838
6. Step 6: Final answer
   x = 1,693,746.37