Finding the Third Proportional to 1,353,339 and 2,818,269

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353,339 : 2,818,269 = 2,818,269 : x
2. Step 2: Convert to fraction form
   1,353,339/2,818,269 = 2,818,269/x
3. Step 3: Cross multiply
   1,353,339x = 2,818,269 × 2,818,269
4. Step 4: Simplify right side
   1,353,339x = 7,942,640,156,361
5. Step 5: Solve for x
   x = 7,942,640,156,361/1,353,339
6. Step 6: Final answer
   x = 5,868,921.35