Finding the Third Proportional to 1,320,538 and 2,894,220

Step by Step Solution

1. Step 1: Write the proportion equation
   1,320,538 : 2,894,220 = 2,894,220 : x
2. Step 2: Convert to fraction form
   1,320,538/2,894,220 = 2,894,220/x
3. Step 3: Cross multiply
   1,320,538x = 2,894,220 × 2,894,220
4. Step 4: Simplify right side
   1,320,538x = 8,376,509,408,400
5. Step 5: Solve for x
   x = 8,376,509,408,400/1,320,538
6. Step 6: Final answer
   x = 6,343,255.10