Finding the Third Proportional to 1,748,260 and 2,638,454

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748,260 : 2,638,454 = 2,638,454 : x
2. Step 2: Convert to fraction form
   1,748,260/2,638,454 = 2,638,454/x
3. Step 3: Cross multiply
   1,748,260x = 2,638,454 × 2,638,454
4. Step 4: Simplify right side
   1,748,260x = 6,961,439,510,116
5. Step 5: Solve for x
   x = 6,961,439,510,116/1,748,260
6. Step 6: Final answer
   x = 3,981,924.61