Finding the Third Proportional to 8,085,688 and 17,690,620

Step by Step Solution

1. Step 1: Write the proportion equation
   8,085,688 : 17,690,620 = 17,690,620 : x
2. Step 2: Convert to fraction form
   8,085,688/17,690,620 = 17,690,620/x
3. Step 3: Cross multiply
   8,085,688x = 17,690,620 × 17,690,620
4. Step 4: Simplify right side
   8,085,688x = 312,958,035,984,400
5. Step 5: Solve for x
   x = 312,958,035,984,400/8,085,688
6. Step 6: Final answer
   x = 38,705,183.28