Finding the Third Proportional to 1,854,688 and 3,908,634

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,688 : 3,908,634 = 3,908,634 : x
2. Step 2: Convert to fraction form
   1,854,688/3,908,634 = 3,908,634/x
3. Step 3: Cross multiply
   1,854,688x = 3,908,634 × 3,908,634
4. Step 4: Simplify right side
   1,854,688x = 15,277,419,745,956
5. Step 5: Solve for x
   x = 15,277,419,745,956/1,854,688
6. Step 6: Final answer
   x = 8,237,191.24