Finding the Third Proportional to 39,880,544 and 86,759,488

Step by Step Solution

1. Step 1: Write the proportion equation
   39,880,544 : 86,759,488 = 86,759,488 : x
2. Step 2: Convert to fraction form
   39,880,544/86,759,488 = 86,759,488/x
3. Step 3: Cross multiply
   39,880,544x = 86,759,488 × 86,759,488
4. Step 4: Simplify right side
   39,880,544x = 7,527,208,758,022,144
5. Step 5: Solve for x
   x = 7,527,208,758,022,144/39,880,544
6. Step 6: Final answer
   x = 188,743,883.68