Finding the Third Proportional to 1,121,112 and 1,723,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,112 : 1,723,140 = 1,723,140 : x
2. Step 2: Convert to fraction form
   1,121,112/1,723,140 = 1,723,140/x
3. Step 3: Cross multiply
   1,121,112x = 1,723,140 × 1,723,140
4. Step 4: Simplify right side
   1,121,112x = 2,969,211,459,600
5. Step 5: Solve for x
   x = 2,969,211,459,600/1,121,112
6. Step 6: Final answer
   x = 2,648,452.13