Finding the Third Proportional to 522,126 and 1,140,120

Step by Step Solution

1. Step 1: Write the proportion equation
   522,126 : 1,140,120 = 1,140,120 : x
2. Step 2: Convert to fraction form
   522,126/1,140,120 = 1,140,120/x
3. Step 3: Cross multiply
   522,126x = 1,140,120 × 1,140,120
4. Step 4: Simplify right side
   522,126x = 1,299,873,614,400
5. Step 5: Solve for x
   x = 1,299,873,614,400/522,126
6. Step 6: Final answer
   x = 2,489,578.41