Finding the Third Proportional to 27,819,916 and 42,555,991

Step by Step Solution

1. Step 1: Write the proportion equation
   27,819,916 : 42,555,991 = 42,555,991 : x
2. Step 2: Convert to fraction form
   27,819,916/42,555,991 = 42,555,991/x
3. Step 3: Cross multiply
   27,819,916x = 42,555,991 × 42,555,991
4. Step 4: Simplify right side
   27,819,916x = 1,811,012,369,992,081
5. Step 5: Solve for x
   x = 1,811,012,369,992,081/27,819,916
6. Step 6: Final answer
   x = 65,097,693.68