Finding the Third Proportional to 5,898,818 and 8,889,780

Step by Step Solution

1. Step 1: Write the proportion equation
   5,898,818 : 8,889,780 = 8,889,780 : x
2. Step 2: Convert to fraction form
   5,898,818/8,889,780 = 8,889,780/x
3. Step 3: Cross multiply
   5,898,818x = 8,889,780 × 8,889,780
4. Step 4: Simplify right side
   5,898,818x = 79,028,188,448,400
5. Step 5: Solve for x
   x = 79,028,188,448,400/5,898,818
6. Step 6: Final answer
   x = 13,397,292.21