Finding the Third Proportional to 1,503,684 and 3,131,784

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,684 : 3,131,784 = 3,131,784 : x
2. Step 2: Convert to fraction form
   1,503,684/3,131,784 = 3,131,784/x
3. Step 3: Cross multiply
   1,503,684x = 3,131,784 × 3,131,784
4. Step 4: Simplify right side
   1,503,684x = 9,808,071,022,656
5. Step 5: Solve for x
   x = 9,808,071,022,656/1,503,684
6. Step 6: Final answer
   x = 6,522,694.28