Finding the Third Proportional to 718,116 and 1,555,908

Step by Step Solution

1. Step 1: Write the proportion equation
   718,116 : 1,555,908 = 1,555,908 : x
2. Step 2: Convert to fraction form
   718,116/1,555,908 = 1,555,908/x
3. Step 3: Cross multiply
   718,116x = 1,555,908 × 1,555,908
4. Step 4: Simplify right side
   718,116x = 2,420,849,704,464
5. Step 5: Solve for x
   x = 2,420,849,704,464/718,116
6. Step 6: Final answer
   x = 3,371,112.33