Finding the Third Proportional to 1,516,122 and 3,317,688

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516,122 : 3,317,688 = 3,317,688 : x
2. Step 2: Convert to fraction form
   1,516,122/3,317,688 = 3,317,688/x
3. Step 3: Cross multiply
   1,516,122x = 3,317,688 × 3,317,688
4. Step 4: Simplify right side
   1,516,122x = 11,007,053,665,344
5. Step 5: Solve for x
   x = 11,007,053,665,344/1,516,122
6. Step 6: Final answer
   x = 7,260,005.24