Finding the Third Proportional to 577,766 and 1,288,301

Step by Step Solution

1. Step 1: Write the proportion equation
   577,766 : 1,288,301 = 1,288,301 : x
2. Step 2: Convert to fraction form
   577,766/1,288,301 = 1,288,301/x
3. Step 3: Cross multiply
   577,766x = 1,288,301 × 1,288,301
4. Step 4: Simplify right side
   577,766x = 1,659,719,466,601
5. Step 5: Solve for x
   x = 1,659,719,466,601/577,766
6. Step 6: Final answer
   x = 2,872,649.94