Finding the Third Proportional to 3,806,191 and 8,243,453

Step by Step Solution

1. Step 1: Write the proportion equation
   3,806,191 : 8,243,453 = 8,243,453 : x
2. Step 2: Convert to fraction form
   3,806,191/8,243,453 = 8,243,453/x
3. Step 3: Cross multiply
   3,806,191x = 8,243,453 × 8,243,453
4. Step 4: Simplify right side
   3,806,191x = 67,954,517,363,209
5. Step 5: Solve for x
   x = 67,954,517,363,209/3,806,191
6. Step 6: Final answer
   x = 17,853,680.32