Finding the Third Proportional to 3,893,501 and 8,386,051

Step by Step Solution

1. Step 1: Write the proportion equation
   3,893,501 : 8,386,051 = 8,386,051 : x
2. Step 2: Convert to fraction form
   3,893,501/8,386,051 = 8,386,051/x
3. Step 3: Cross multiply
   3,893,501x = 8,386,051 × 8,386,051
4. Step 4: Simplify right side
   3,893,501x = 70,325,851,374,601
5. Step 5: Solve for x
   x = 70,325,851,374,601/3,893,501
6. Step 6: Final answer
   x = 18,062,368.90