Finding the Third Proportional to 658,334 and 1,409,978

Step by Step Solution

1. Step 1: Write the proportion equation
   658,334 : 1,409,978 = 1,409,978 : x
2. Step 2: Convert to fraction form
   658,334/1,409,978 = 1,409,978/x
3. Step 3: Cross multiply
   658,334x = 1,409,978 × 1,409,978
4. Step 4: Simplify right side
   658,334x = 1,988,037,960,484
5. Step 5: Solve for x
   x = 1,988,037,960,484/658,334
6. Step 6: Final answer
   x = 3,019,801.44