Finding the Third Proportional to 5,722,407 and 12,428,964

Step by Step Solution

1. Step 1: Write the proportion equation
   5,722,407 : 12,428,964 = 12,428,964 : x
2. Step 2: Convert to fraction form
   5,722,407/12,428,964 = 12,428,964/x
3. Step 3: Cross multiply
   5,722,407x = 12,428,964 × 12,428,964
4. Step 4: Simplify right side
   5,722,407x = 154,479,146,113,296
5. Step 5: Solve for x
   x = 154,479,146,113,296/5,722,407
6. Step 6: Final answer
   x = 26,995,483.91