Finding the Third Proportional to 694,414 and 1,521,776

Step by Step Solution

1. Step 1: Write the proportion equation
   694,414 : 1,521,776 = 1,521,776 : x
2. Step 2: Convert to fraction form
   694,414/1,521,776 = 1,521,776/x
3. Step 3: Cross multiply
   694,414x = 1,521,776 × 1,521,776
4. Step 4: Simplify right side
   694,414x = 2,315,802,194,176
5. Step 5: Solve for x
   x = 2,315,802,194,176/694,414
6. Step 6: Final answer
   x = 3,334,901.36