Finding the Third Proportional to 4,130,026 and 8,857,912

Step by Step Solution

1. Step 1: Write the proportion equation
   4,130,026 : 8,857,912 = 8,857,912 : x
2. Step 2: Convert to fraction form
   4,130,026/8,857,912 = 8,857,912/x
3. Step 3: Cross multiply
   4,130,026x = 8,857,912 × 8,857,912
4. Step 4: Simplify right side
   4,130,026x = 78,462,604,999,744
5. Step 5: Solve for x
   x = 78,462,604,999,744/4,130,026
6. Step 6: Final answer
   x = 18,998,089.84