Finding the Third Proportional to 1,129,400 and 2,482,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,400 : 2,482,720 = 2,482,720 : x
2. Step 2: Convert to fraction form
   1,129,400/2,482,720 = 2,482,720/x
3. Step 3: Cross multiply
   1,129,400x = 2,482,720 × 2,482,720
4. Step 4: Simplify right side
   1,129,400x = 6,163,898,598,400
5. Step 5: Solve for x
   x = 6,163,898,598,400/1,129,400
6. Step 6: Final answer
   x = 5,457,675.40