Finding the Third Proportional to 9,320,678 and 12,592,797

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320,678 : 12,592,797 = 12,592,797 : x
2. Step 2: Convert to fraction form
   9,320,678/12,592,797 = 12,592,797/x
3. Step 3: Cross multiply
   9,320,678x = 12,592,797 × 12,592,797
4. Step 4: Simplify right side
   9,320,678x = 158,578,536,283,209
5. Step 5: Solve for x
   x = 158,578,536,283,209/9,320,678
6. Step 6: Final answer
   x = 17,013,626.72