Finding the Third Proportional to 15,618,538 and 31,998,144

Step by Step Solution

1. Step 1: Write the proportion equation
   15,618,538 : 31,998,144 = 31,998,144 : x
2. Step 2: Convert to fraction form
   15,618,538/31,998,144 = 31,998,144/x
3. Step 3: Cross multiply
   15,618,538x = 31,998,144 × 31,998,144
4. Step 4: Simplify right side
   15,618,538x = 1,023,881,219,444,736
5. Step 5: Solve for x
   x = 1,023,881,219,444,736/15,618,538
6. Step 6: Final answer
   x = 65,555,509.71