Finding the Third Proportional to 5,473,110 and 8,585,643

Step by Step Solution

1. Step 1: Write the proportion equation
   5,473,110 : 8,585,643 = 8,585,643 : x
2. Step 2: Convert to fraction form
   5,473,110/8,585,643 = 8,585,643/x
3. Step 3: Cross multiply
   5,473,110x = 8,585,643 × 8,585,643
4. Step 4: Simplify right side
   5,473,110x = 73,713,265,723,449
5. Step 5: Solve for x
   x = 73,713,265,723,449/5,473,110
6. Step 6: Final answer
   x = 13,468,259.49