Finding the Third Proportional to 1,263,399 and 2,748,158

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,399 : 2,748,158 = 2,748,158 : x
2. Step 2: Convert to fraction form
   1,263,399/2,748,158 = 2,748,158/x
3. Step 3: Cross multiply
   1,263,399x = 2,748,158 × 2,748,158
4. Step 4: Simplify right side
   1,263,399x = 7,552,372,392,964
5. Step 5: Solve for x
   x = 7,552,372,392,964/1,263,399
6. Step 6: Final answer
   x = 5,977,820.46