Finding the Third Proportional to 1,378,706 and 2,916,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,706 : 2,916,388 = 2,916,388 : x
2. Step 2: Convert to fraction form
   1,378,706/2,916,388 = 2,916,388/x
3. Step 3: Cross multiply
   1,378,706x = 2,916,388 × 2,916,388
4. Step 4: Simplify right side
   1,378,706x = 8,505,318,966,544
5. Step 5: Solve for x
   x = 8,505,318,966,544/1,378,706
6. Step 6: Final answer
   x = 6,169,059.22