Finding the Third Proportional to 2,231,358 and 4,877,436

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,358 : 4,877,436 = 4,877,436 : x
2. Step 2: Convert to fraction form
   2,231,358/4,877,436 = 4,877,436/x
3. Step 3: Cross multiply
   2,231,358x = 4,877,436 × 4,877,436
4. Step 4: Simplify right side
   2,231,358x = 23,789,381,934,096
5. Step 5: Solve for x
   x = 23,789,381,934,096/2,231,358
6. Step 6: Final answer
   x = 10,661,391.82