Finding the Third Proportional to 1,669,638 and 3,654,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669,638 : 3,654,156 = 3,654,156 : x
2. Step 2: Convert to fraction form
   1,669,638/3,654,156 = 3,654,156/x
3. Step 3: Cross multiply
   1,669,638x = 3,654,156 × 3,654,156
4. Step 4: Simplify right side
   1,669,638x = 13,352,856,072,336
5. Step 5: Solve for x
   x = 13,352,856,072,336/1,669,638
6. Step 6: Final answer
   x = 7,997,455.78