Finding the Third Proportional to 559,629 and 1,218,564

Step by Step Solution

1. Step 1: Write the proportion equation
   559,629 : 1,218,564 = 1,218,564 : x
2. Step 2: Convert to fraction form
   559,629/1,218,564 = 1,218,564/x
3. Step 3: Cross multiply
   559,629x = 1,218,564 × 1,218,564
4. Step 4: Simplify right side
   559,629x = 1,484,898,222,096
5. Step 5: Solve for x
   x = 1,484,898,222,096/559,629
6. Step 6: Final answer
   x = 2,653,361.82