Finding the Third Proportional to 4,315,698 and 9,444,126

Step by Step Solution

1. Step 1: Write the proportion equation
   4,315,698 : 9,444,126 = 9,444,126 : x
2. Step 2: Convert to fraction form
   4,315,698/9,444,126 = 9,444,126/x
3. Step 3: Cross multiply
   4,315,698x = 9,444,126 × 9,444,126
4. Step 4: Simplify right side
   4,315,698x = 89,191,515,903,876
5. Step 5: Solve for x
   x = 89,191,515,903,876/4,315,698
6. Step 6: Final answer
   x = 20,666,764.89