Finding the Third Proportional to 1,681,566 and 3,690,156

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681,566 : 3,690,156 = 3,690,156 : x
2. Step 2: Convert to fraction form
   1,681,566/3,690,156 = 3,690,156/x
3. Step 3: Cross multiply
   1,681,566x = 3,690,156 × 3,690,156
4. Step 4: Simplify right side
   1,681,566x = 13,617,251,304,336
5. Step 5: Solve for x
   x = 13,617,251,304,336/1,681,566
6. Step 6: Final answer
   x = 8,097,958.27