Finding the Third Proportional to 9,173,988 and 12,832,653

Step by Step Solution

1. Step 1: Write the proportion equation
   9,173,988 : 12,832,653 = 12,832,653 : x
2. Step 2: Convert to fraction form
   9,173,988/12,832,653 = 12,832,653/x
3. Step 3: Cross multiply
   9,173,988x = 12,832,653 × 12,832,653
4. Step 4: Simplify right side
   9,173,988x = 164,676,983,018,409
5. Step 5: Solve for x
   x = 164,676,983,018,409/9,173,988
6. Step 6: Final answer
   x = 17,950,424.94