Finding the Third Proportional to 1,516,766 and 3,220,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516,766 : 3,220,156 = 3,220,156 : x
2. Step 2: Convert to fraction form
   1,516,766/3,220,156 = 3,220,156/x
3. Step 3: Cross multiply
   1,516,766x = 3,220,156 × 3,220,156
4. Step 4: Simplify right side
   1,516,766x = 10,369,404,664,336
5. Step 5: Solve for x
   x = 10,369,404,664,336/1,516,766
6. Step 6: Final answer
   x = 6,836,522.35