Finding the Third Proportional to 578,469 and 1,185,126

Step by Step Solution

1. Step 1: Write the proportion equation
   578,469 : 1,185,126 = 1,185,126 : x
2. Step 2: Convert to fraction form
   578,469/1,185,126 = 1,185,126/x
3. Step 3: Cross multiply
   578,469x = 1,185,126 × 1,185,126
4. Step 4: Simplify right side
   578,469x = 1,404,523,635,876
5. Step 5: Solve for x
   x = 1,404,523,635,876/578,469
6. Step 6: Final answer
   x = 2,428,001.56