Finding the Third Proportional to 1,557,166 and 3,378,716

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,166 : 3,378,716 = 3,378,716 : x
2. Step 2: Convert to fraction form
   1,557,166/3,378,716 = 3,378,716/x
3. Step 3: Cross multiply
   1,557,166x = 3,378,716 × 3,378,716
4. Step 4: Simplify right side
   1,557,166x = 11,415,721,808,656
5. Step 5: Solve for x
   x = 11,415,721,808,656/1,557,166
6. Step 6: Final answer
   x = 7,331,088.53