Finding the Third Proportional to 12,029,216 and 28,386,797

Step by Step Solution

1. Step 1: Write the proportion equation
   12,029,216 : 28,386,797 = 28,386,797 : x
2. Step 2: Convert to fraction form
   12,029,216/28,386,797 = 28,386,797/x
3. Step 3: Cross multiply
   12,029,216x = 28,386,797 × 28,386,797
4. Step 4: Simplify right side
   12,029,216x = 805,810,243,919,209
5. Step 5: Solve for x
   x = 805,810,243,919,209/12,029,216
6. Step 6: Final answer
   x = 66,987,760.79