Finding the Third Proportional to 4,254,984 and 9,107,910

Step by Step Solution

1. Step 1: Write the proportion equation
   4,254,984 : 9,107,910 = 9,107,910 : x
2. Step 2: Convert to fraction form
   4,254,984/9,107,910 = 9,107,910/x
3. Step 3: Cross multiply
   4,254,984x = 9,107,910 × 9,107,910
4. Step 4: Simplify right side
   4,254,984x = 82,954,024,568,100
5. Step 5: Solve for x
   x = 82,954,024,568,100/4,254,984
6. Step 6: Final answer
   x = 19,495,731.26