Finding the Third Proportional to 694,448 and 1,521,856

Step by Step Solution

1. Step 1: Write the proportion equation
   694,448 : 1,521,856 = 1,521,856 : x
2. Step 2: Convert to fraction form
   694,448/1,521,856 = 1,521,856/x
3. Step 3: Cross multiply
   694,448x = 1,521,856 × 1,521,856
4. Step 4: Simplify right side
   694,448x = 2,316,045,684,736
5. Step 5: Solve for x
   x = 2,316,045,684,736/694,448
6. Step 6: Final answer
   x = 3,335,088.71