Finding the Third Proportional to 1,263,402 and 2,739,590

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,402 : 2,739,590 = 2,739,590 : x
2. Step 2: Convert to fraction form
   1,263,402/2,739,590 = 2,739,590/x
3. Step 3: Cross multiply
   1,263,402x = 2,739,590 × 2,739,590
4. Step 4: Simplify right side
   1,263,402x = 7,505,353,368,100
5. Step 5: Solve for x
   x = 7,505,353,368,100/1,263,402
6. Step 6: Final answer
   x = 5,940,590.06