Finding the Third Proportional to 2,155,376 and 3,138,294

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,376 : 3,138,294 = 3,138,294 : x
2. Step 2: Convert to fraction form
   2,155,376/3,138,294 = 3,138,294/x
3. Step 3: Cross multiply
   2,155,376x = 3,138,294 × 3,138,294
4. Step 4: Simplify right side
   2,155,376x = 9,848,889,230,436
5. Step 5: Solve for x
   x = 9,848,889,230,436/2,155,376
6. Step 6: Final answer
   x = 4,569,452.95