Finding the Third Proportional to 1,253,552 and 1,909,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,552 : 1,909,720 = 1,909,720 : x
2. Step 2: Convert to fraction form
   1,253,552/1,909,720 = 1,909,720/x
3. Step 3: Cross multiply
   1,253,552x = 1,909,720 × 1,909,720
4. Step 4: Simplify right side
   1,253,552x = 3,647,030,478,400
5. Step 5: Solve for x
   x = 3,647,030,478,400/1,253,552
6. Step 6: Final answer
   x = 2,909,357.15