Finding the Third Proportional to 4,867,398 and 7,566,590

Step by Step Solution

1. Step 1: Write the proportion equation
   4,867,398 : 7,566,590 = 7,566,590 : x
2. Step 2: Convert to fraction form
   4,867,398/7,566,590 = 7,566,590/x
3. Step 3: Cross multiply
   4,867,398x = 7,566,590 × 7,566,590
4. Step 4: Simplify right side
   4,867,398x = 57,253,284,228,100
5. Step 5: Solve for x
   x = 57,253,284,228,100/4,867,398
6. Step 6: Final answer
   x = 11,762,605.86