Finding the Third Proportional to 9,154,780 and 13,451,902

Step by Step Solution

1. Step 1: Write the proportion equation
   9,154,780 : 13,451,902 = 13,451,902 : x
2. Step 2: Convert to fraction form
   9,154,780/13,451,902 = 13,451,902/x
3. Step 3: Cross multiply
   9,154,780x = 13,451,902 × 13,451,902
4. Step 4: Simplify right side
   9,154,780x = 180,953,667,417,604
5. Step 5: Solve for x
   x = 180,953,667,417,604/9,154,780
6. Step 6: Final answer
   x = 19,766,031.23