Finding the Third Proportional to 3,367,420 and 7,386,784

Step by Step Solution

1. Step 1: Write the proportion equation
   3,367,420 : 7,386,784 = 7,386,784 : x
2. Step 2: Convert to fraction form
   3,367,420/7,386,784 = 7,386,784/x
3. Step 3: Cross multiply
   3,367,420x = 7,386,784 × 7,386,784
4. Step 4: Simplify right side
   3,367,420x = 54,564,577,862,656
5. Step 5: Solve for x
   x = 54,564,577,862,656/3,367,420
6. Step 6: Final answer
   x = 16,203,674.58