Finding the Third Proportional to 2,564,520.75 and 5,554,609

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,520.75 : 5,554,609 = 5,554,609 : x
2. Step 2: Convert to fraction form
   2,564,520.75/5,554,609 = 5,554,609/x
3. Step 3: Cross multiply
   2,564,520.75x = 5,554,609 × 5,554,609
4. Step 4: Simplify right side
   2,564,520.75x = 30,853,681,142,881
5. Step 5: Solve for x
   x = 30,853,681,142,881/2,564,520.75
6. Step 6: Final answer
   x = 12,030,973.48