Finding the Third Proportional to 947,638 and 2,072,414

Step by Step Solution

1. Step 1: Write the proportion equation
   947,638 : 2,072,414 = 2,072,414 : x
2. Step 2: Convert to fraction form
   947,638/2,072,414 = 2,072,414/x
3. Step 3: Cross multiply
   947,638x = 2,072,414 × 2,072,414
4. Step 4: Simplify right side
   947,638x = 4,294,899,787,396
5. Step 5: Solve for x
   x = 4,294,899,787,396/947,638
6. Step 6: Final answer
   x = 4,532,215.66