Finding the Third Proportional to 1,201,232 and 1,617,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,232 : 1,617,978 = 1,617,978 : x
2. Step 2: Convert to fraction form
   1,201,232/1,617,978 = 1,617,978/x
3. Step 3: Cross multiply
   1,201,232x = 1,617,978 × 1,617,978
4. Step 4: Simplify right side
   1,201,232x = 2,617,852,808,484
5. Step 5: Solve for x
   x = 2,617,852,808,484/1,201,232
6. Step 6: Final answer
   x = 2,179,306.59