Finding the Third Proportional to 10,868,910 and 22,209,726

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868,910 : 22,209,726 = 22,209,726 : x
2. Step 2: Convert to fraction form
   10,868,910/22,209,726 = 22,209,726/x
3. Step 3: Cross multiply
   10,868,910x = 22,209,726 × 22,209,726
4. Step 4: Simplify right side
   10,868,910x = 493,271,928,995,076
5. Step 5: Solve for x
   x = 493,271,928,995,076/10,868,910
6. Step 6: Final answer
   x = 45,383,753.20