Finding the Third Proportional to 3,613,646 and 7,857,148

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613,646 : 7,857,148 = 7,857,148 : x
2. Step 2: Convert to fraction form
   3,613,646/7,857,148 = 7,857,148/x
3. Step 3: Cross multiply
   3,613,646x = 7,857,148 × 7,857,148
4. Step 4: Simplify right side
   3,613,646x = 61,734,774,693,904
5. Step 5: Solve for x
   x = 61,734,774,693,904/3,613,646
6. Step 6: Final answer
   x = 17,083,791.47