Finding the Third Proportional to 39,880,722 and 86,567,798

Step by Step Solution

1. Step 1: Write the proportion equation
   39,880,722 : 86,567,798 = 86,567,798 : x
2. Step 2: Convert to fraction form
   39,880,722/86,567,798 = 86,567,798/x
3. Step 3: Cross multiply
   39,880,722x = 86,567,798 × 86,567,798
4. Step 4: Simplify right side
   39,880,722x = 7,493,983,650,568,804
5. Step 5: Solve for x
   x = 7,493,983,650,568,804/39,880,722
6. Step 6: Final answer
   x = 187,909,929.28