Finding the Third Proportional to 3,321,574 and 5,423,784

Step by Step Solution

1. Step 1: Write the proportion equation
   3,321,574 : 5,423,784 = 5,423,784 : x
2. Step 2: Convert to fraction form
   3,321,574/5,423,784 = 5,423,784/x
3. Step 3: Cross multiply
   3,321,574x = 5,423,784 × 5,423,784
4. Step 4: Simplify right side
   3,321,574x = 29,417,432,878,656
5. Step 5: Solve for x
   x = 29,417,432,878,656/3,321,574
6. Step 6: Final answer
   x = 8,856,473.73