Finding the Third Proportional to 8,565,994 and 12,612,147

Step by Step Solution

1. Step 1: Write the proportion equation
   8,565,994 : 12,612,147 = 12,612,147 : x
2. Step 2: Convert to fraction form
   8,565,994/12,612,147 = 12,612,147/x
3. Step 3: Cross multiply
   8,565,994x = 12,612,147 × 12,612,147
4. Step 4: Simplify right side
   8,565,994x = 159,066,251,949,609
5. Step 5: Solve for x
   x = 159,066,251,949,609/8,565,994
6. Step 6: Final answer
   x = 18,569,503.08