Finding the Third Proportional to 1,681,567 and 3,690,157

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681,567 : 3,690,157 = 3,690,157 : x
2. Step 2: Convert to fraction form
   1,681,567/3,690,157 = 3,690,157/x
3. Step 3: Cross multiply
   1,681,567x = 3,690,157 × 3,690,157
4. Step 4: Simplify right side
   1,681,567x = 13,617,258,684,649
5. Step 5: Solve for x
   x = 13,617,258,684,649/1,681,567
6. Step 6: Final answer
   x = 8,097,957.85