Finding the Third Proportional to 39,880,736 and 86,567,824

Step by Step Solution

1. Step 1: Write the proportion equation
   39,880,736 : 86,567,824 = 86,567,824 : x
2. Step 2: Convert to fraction form
   39,880,736/86,567,824 = 86,567,824/x
3. Step 3: Cross multiply
   39,880,736x = 86,567,824 × 86,567,824
4. Step 4: Simplify right side
   39,880,736x = 7,493,988,152,094,976
5. Step 5: Solve for x
   x = 7,493,988,152,094,976/39,880,736
6. Step 6: Final answer
   x = 187,909,976.19