Finding the Third Proportional to 18,953,804 and 27,012,978

Step by Step Solution

1. Step 1: Write the proportion equation
   18,953,804 : 27,012,978 = 27,012,978 : x
2. Step 2: Convert to fraction form
   18,953,804/27,012,978 = 27,012,978/x
3. Step 3: Cross multiply
   18,953,804x = 27,012,978 × 27,012,978
4. Step 4: Simplify right side
   18,953,804x = 729,700,980,428,484
5. Step 5: Solve for x
   x = 729,700,980,428,484/18,953,804
6. Step 6: Final answer
   x = 38,498,919.82