Finding the Third Proportional to 1,378,694 and 2,916,364

Step by Step Solution

1. Step 1: Write the proportion equation
   1,378,694 : 2,916,364 = 2,916,364 : x
2. Step 2: Convert to fraction form
   1,378,694/2,916,364 = 2,916,364/x
3. Step 3: Cross multiply
   1,378,694x = 2,916,364 × 2,916,364
4. Step 4: Simplify right side
   1,378,694x = 8,505,178,980,496
5. Step 5: Solve for x
   x = 8,505,178,980,496/1,378,694
6. Step 6: Final answer
   x = 6,169,011.38