Finding the Third Proportional to 5,819,464 and 12,646,216

Step by Step Solution

1. Step 1: Write the proportion equation
   5,819,464 : 12,646,216 = 12,646,216 : x
2. Step 2: Convert to fraction form
   5,819,464/12,646,216 = 12,646,216/x
3. Step 3: Cross multiply
   5,819,464x = 12,646,216 × 12,646,216
4. Step 4: Simplify right side
   5,819,464x = 159,926,779,118,656
5. Step 5: Solve for x
   x = 159,926,779,118,656/5,819,464
6. Step 6: Final answer
   x = 27,481,358.96