Finding the Third Proportional to 3,613,680 and 7,857,192

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613,680 : 7,857,192 = 7,857,192 : x
2. Step 2: Convert to fraction form
   3,613,680/7,857,192 = 7,857,192/x
3. Step 3: Cross multiply
   3,613,680x = 7,857,192 × 7,857,192
4. Step 4: Simplify right side
   3,613,680x = 61,735,466,124,864
5. Step 5: Solve for x
   x = 61,735,466,124,864/3,613,680
6. Step 6: Final answer
   x = 17,083,822.07