Finding the Third Proportional to 1,663,128 and 3,522,564

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,128 : 3,522,564 = 3,522,564 : x
2. Step 2: Convert to fraction form
   1,663,128/3,522,564 = 3,522,564/x
3. Step 3: Cross multiply
   1,663,128x = 3,522,564 × 3,522,564
4. Step 4: Simplify right side
   1,663,128x = 12,408,457,134,096
5. Step 5: Solve for x
   x = 12,408,457,134,096/1,663,128
6. Step 6: Final answer
   x = 7,460,915.30