Finding the Third Proportional to 4,315,689 and 9,444,111

Step by Step Solution

1. Step 1: Write the proportion equation
   4,315,689 : 9,444,111 = 9,444,111 : x
2. Step 2: Convert to fraction form
   4,315,689/9,444,111 = 9,444,111/x
3. Step 3: Cross multiply
   4,315,689x = 9,444,111 × 9,444,111
4. Step 4: Simplify right side
   4,315,689x = 89,191,232,580,321
5. Step 5: Solve for x
   x = 89,191,232,580,321/4,315,689
6. Step 6: Final answer
   x = 20,666,742.34