Finding the Third Proportional to 869,760 and 1,224,814

Step by Step Solution

1. Step 1: Write the proportion equation
   869,760 : 1,224,814 = 1,224,814 : x
2. Step 2: Convert to fraction form
   869,760/1,224,814 = 1,224,814/x
3. Step 3: Cross multiply
   869,760x = 1,224,814 × 1,224,814
4. Step 4: Simplify right side
   869,760x = 1,500,169,334,596
5. Step 5: Solve for x
   x = 1,500,169,334,596/869,760
6. Step 6: Final answer
   x = 1,724,808.38