Finding the Third Proportional to 2,642,939 and 5,771,254

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,939 : 5,771,254 = 5,771,254 : x
2. Step 2: Convert to fraction form
   2,642,939/5,771,254 = 5,771,254/x
3. Step 3: Cross multiply
   2,642,939x = 5,771,254 × 5,771,254
4. Step 4: Simplify right side
   2,642,939x = 33,307,372,732,516
5. Step 5: Solve for x
   x = 33,307,372,732,516/2,642,939
6. Step 6: Final answer
   x = 12,602,399.35