Finding the Third Proportional to 9,154,778 and 13,451,895

Step by Step Solution

1. Step 1: Write the proportion equation
   9,154,778 : 13,451,895 = 13,451,895 : x
2. Step 2: Convert to fraction form
   9,154,778/13,451,895 = 13,451,895/x
3. Step 3: Cross multiply
   9,154,778x = 13,451,895 × 13,451,895
4. Step 4: Simplify right side
   9,154,778x = 180,953,479,091,025
5. Step 5: Solve for x
   x = 180,953,479,091,025/9,154,778
6. Step 6: Final answer
   x = 19,766,014.98