Finding the Third Proportional to 5,585,872 and 8,541,240

Step by Step Solution

1. Step 1: Write the proportion equation
   5,585,872 : 8,541,240 = 8,541,240 : x
2. Step 2: Convert to fraction form
   5,585,872/8,541,240 = 8,541,240/x
3. Step 3: Cross multiply
   5,585,872x = 8,541,240 × 8,541,240
4. Step 4: Simplify right side
   5,585,872x = 72,952,780,737,600
5. Step 5: Solve for x
   x = 72,952,780,737,600/5,585,872
6. Step 6: Final answer
   x = 13,060,231.37