Finding the Third Proportional to 8,912,034 and 12,992,499

Step by Step Solution

1. Step 1: Write the proportion equation
   8,912,034 : 12,992,499 = 12,992,499 : x
2. Step 2: Convert to fraction form
   8,912,034/12,992,499 = 12,992,499/x
3. Step 3: Cross multiply
   8,912,034x = 12,992,499 × 12,992,499
4. Step 4: Simplify right side
   8,912,034x = 168,805,030,265,001
5. Step 5: Solve for x
   x = 168,805,030,265,001/8,912,034
6. Step 6: Final answer
   x = 18,941,246.21