Finding the Third Proportional to 2,646,431 and 5,740,955

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646,431 : 5,740,955 = 5,740,955 : x
2. Step 2: Convert to fraction form
   2,646,431/5,740,955 = 5,740,955/x
3. Step 3: Cross multiply
   2,646,431x = 5,740,955 × 5,740,955
4. Step 4: Simplify right side
   2,646,431x = 32,958,564,312,025
5. Step 5: Solve for x
   x = 32,958,564,312,025/2,646,431
6. Step 6: Final answer
   x = 12,453,966.99