Finding the Third Proportional to 3,883,394 and 8,513,284

Step by Step Solution

1. Step 1: Write the proportion equation
   3,883,394 : 8,513,284 = 8,513,284 : x
2. Step 2: Convert to fraction form
   3,883,394/8,513,284 = 8,513,284/x
3. Step 3: Cross multiply
   3,883,394x = 8,513,284 × 8,513,284
4. Step 4: Simplify right side
   3,883,394x = 72,476,004,464,656
5. Step 5: Solve for x
   x = 72,476,004,464,656/3,883,394
6. Step 6: Final answer
   x = 18,663,057.23