Finding the Third Proportional to 27,861,078 and 42,212,986

Step by Step Solution

1. Step 1: Write the proportion equation
   27,861,078 : 42,212,986 = 42,212,986 : x
2. Step 2: Convert to fraction form
   27,861,078/42,212,986 = 42,212,986/x
3. Step 3: Cross multiply
   27,861,078x = 42,212,986 × 42,212,986
4. Step 4: Simplify right side
   27,861,078x = 1,781,936,187,036,196
5. Step 5: Solve for x
   x = 1,781,936,187,036,196/27,861,078
6. Step 6: Final answer
   x = 63,957,905.26