Finding the Third Proportional to 1,260,172 and 2,765,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,172 : 2,765,288 = 2,765,288 : x
2. Step 2: Convert to fraction form
   1,260,172/2,765,288 = 2,765,288/x
3. Step 3: Cross multiply
   1,260,172x = 2,765,288 × 2,765,288
4. Step 4: Simplify right side
   1,260,172x = 7,646,817,722,944
5. Step 5: Solve for x
   x = 7,646,817,722,944/1,260,172
6. Step 6: Final answer
   x = 6,068,074.61