Finding the Third Proportional to 1,741,318 and 2,638,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,741,318 : 2,638,310 = 2,638,310 : x
2. Step 2: Convert to fraction form
   1,741,318/2,638,310 = 2,638,310/x
3. Step 3: Cross multiply
   1,741,318x = 2,638,310 × 2,638,310
4. Step 4: Simplify right side
   1,741,318x = 6,960,679,656,100
5. Step 5: Solve for x
   x = 6,960,679,656,100/1,741,318
6. Step 6: Final answer
   x = 3,997,362.72