Finding the Third Proportional to 1,378,745 and 2,916,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,745 : 2,916,458 = 2,916,458 : x
2. Step 2: Convert to fraction form
   1,378,745/2,916,458 = 2,916,458/x
3. Step 3: Cross multiply
   1,378,745x = 2,916,458 × 2,916,458
4. Step 4: Simplify right side
   1,378,745x = 8,505,727,265,764
5. Step 5: Solve for x
   x = 8,505,727,265,764/1,378,745
6. Step 6: Final answer
   x = 6,169,180.86