Finding the Third Proportional to 39,993,138 and 59,728,104

Step by Step Solution

1. Step 1: Write the proportion equation
   39,993,138 : 59,728,104 = 59,728,104 : x
2. Step 2: Convert to fraction form
   39,993,138/59,728,104 = 59,728,104/x
3. Step 3: Cross multiply
   39,993,138x = 59,728,104 × 59,728,104
4. Step 4: Simplify right side
   39,993,138x = 3,567,446,407,434,816
5. Step 5: Solve for x
   x = 3,567,446,407,434,816/39,993,138
6. Step 6: Final answer
   x = 89,201,462.70