Finding the Third Proportional to 727,112 and 1,555,312

Step by Step Solution

1. Step 1: Write the proportion equation
   727,112 : 1,555,312 = 1,555,312 : x
2. Step 2: Convert to fraction form
   727,112/1,555,312 = 1,555,312/x
3. Step 3: Cross multiply
   727,112x = 1,555,312 × 1,555,312
4. Step 4: Simplify right side
   727,112x = 2,418,995,417,344
5. Step 5: Solve for x
   x = 2,418,995,417,344/727,112
6. Step 6: Final answer
   x = 3,326,853.93