Finding the Third Proportional to 1,660,688 and 3,453,915

Step by Step Solution

1. Step 1: Write the proportion equation
   1,660,688 : 3,453,915 = 3,453,915 : x
2. Step 2: Convert to fraction form
   1,660,688/3,453,915 = 3,453,915/x
3. Step 3: Cross multiply
   1,660,688x = 3,453,915 × 3,453,915
4. Step 4: Simplify right side
   1,660,688x = 11,929,528,827,225
5. Step 5: Solve for x
   x = 11,929,528,827,225/1,660,688
6. Step 6: Final answer
   x = 7,183,485.90