Finding the Third Proportional to 711,998 and 1,555,284

Step by Step Solution

1. Step 1: Write the proportion equation
   711,998 : 1,555,284 = 1,555,284 : x
2. Step 2: Convert to fraction form
   711,998/1,555,284 = 1,555,284/x
3. Step 3: Cross multiply
   711,998x = 1,555,284 × 1,555,284
4. Step 4: Simplify right side
   711,998x = 2,418,908,320,656
5. Step 5: Solve for x
   x = 2,418,908,320,656/711,998
6. Step 6: Final answer
   x = 3,397,352.69