Finding the Third Proportional to 5,585,572 and 8,540,808

Step by Step Solution

1. Step 1: Write the proportion equation
   5,585,572 : 8,540,808 = 8,540,808 : x
2. Step 2: Convert to fraction form
   5,585,572/8,540,808 = 8,540,808/x
3. Step 3: Cross multiply
   5,585,572x = 8,540,808 × 8,540,808
4. Step 4: Simplify right side
   5,585,572x = 72,945,401,292,864
5. Step 5: Solve for x
   x = 72,945,401,292,864/5,585,572
6. Step 6: Final answer
   x = 13,059,611.67