Finding the Third Proportional to 694,152 and 1,407,620

Step by Step Solution

1. Step 1: Write the proportion equation
   694,152 : 1,407,620 = 1,407,620 : x
2. Step 2: Convert to fraction form
   694,152/1,407,620 = 1,407,620/x
3. Step 3: Cross multiply
   694,152x = 1,407,620 × 1,407,620
4. Step 4: Simplify right side
   694,152x = 1,981,394,064,400
5. Step 5: Solve for x
   x = 1,981,394,064,400/694,152
6. Step 6: Final answer
   x = 2,854,409.50