Finding the Third Proportional to 1,516,772 and 3,220,168

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516,772 : 3,220,168 = 3,220,168 : x
2. Step 2: Convert to fraction form
   1,516,772/3,220,168 = 3,220,168/x
3. Step 3: Cross multiply
   1,516,772x = 3,220,168 × 3,220,168
4. Step 4: Simplify right side
   1,516,772x = 10,369,481,948,224
5. Step 5: Solve for x
   x = 10,369,481,948,224/1,516,772
6. Step 6: Final answer
   x = 6,836,546.26