Finding the Third Proportional to 1,738,372 and 2,643,123

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738,372 : 2,643,123 = 2,643,123 : x
2. Step 2: Convert to fraction form
   1,738,372/2,643,123 = 2,643,123/x
3. Step 3: Cross multiply
   1,738,372x = 2,643,123 × 2,643,123
4. Step 4: Simplify right side
   1,738,372x = 6,986,099,193,129
5. Step 5: Solve for x
   x = 6,986,099,193,129/1,738,372
6. Step 6: Final answer
   x = 4,018,759.62