Finding the Third Proportional to 6,425,894 and 8,566,902

Step by Step Solution

1. Step 1: Write the proportion equation
   6,425,894 : 8,566,902 = 8,566,902 : x
2. Step 2: Convert to fraction form
   6,425,894/8,566,902 = 8,566,902/x
3. Step 3: Cross multiply
   6,425,894x = 8,566,902 × 8,566,902
4. Step 4: Simplify right side
   6,425,894x = 73,391,809,877,604
5. Step 5: Solve for x
   x = 73,391,809,877,604/6,425,894
6. Step 6: Final answer
   x = 11,421,260.59