Finding the Third Proportional to 1,680,968 and 3,688,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680,968 : 3,688,312 = 3,688,312 : x
2. Step 2: Convert to fraction form
   1,680,968/3,688,312 = 3,688,312/x
3. Step 3: Cross multiply
   1,680,968x = 3,688,312 × 3,688,312
4. Step 4: Simplify right side
   1,680,968x = 13,603,645,409,344
5. Step 5: Solve for x
   x = 13,603,645,409,344/1,680,968
6. Step 6: Final answer
   x = 8,092,745.02