Finding the Third Proportional to 1,667,390 and 3,393,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667,390 : 3,393,712 = 3,393,712 : x
2. Step 2: Convert to fraction form
   1,667,390/3,393,712 = 3,393,712/x
3. Step 3: Cross multiply
   1,667,390x = 3,393,712 × 3,393,712
4. Step 4: Simplify right side
   1,667,390x = 11,517,281,138,944
5. Step 5: Solve for x
   x = 11,517,281,138,944/1,667,390
6. Step 6: Final answer
   x = 6,907,370.88