Finding the Third Proportional to 786,904 and 1,685,448

Step by Step Solution

1. Step 1: Write the proportion equation
   786,904 : 1,685,448 = 1,685,448 : x
2. Step 2: Convert to fraction form
   786,904/1,685,448 = 1,685,448/x
3. Step 3: Cross multiply
   786,904x = 1,685,448 × 1,685,448
4. Step 4: Simplify right side
   786,904x = 2,840,734,960,704
5. Step 5: Solve for x
   x = 2,840,734,960,704/786,904
6. Step 6: Final answer
   x = 3,610,014.64