Finding the Third Proportional to 6,425,898 and 8,566,910

Step by Step Solution

1. Step 1: Write the proportion equation
   6,425,898 : 8,566,910 = 8,566,910 : x
2. Step 2: Convert to fraction form
   6,425,898/8,566,910 = 8,566,910/x
3. Step 3: Cross multiply
   6,425,898x = 8,566,910 × 8,566,910
4. Step 4: Simplify right side
   6,425,898x = 73,391,946,948,100
5. Step 5: Solve for x
   x = 73,391,946,948,100/6,425,898
6. Step 6: Final answer
   x = 11,421,274.81