Finding the Third Proportional to 39,880,724 and 86,567,802

Step by Step Solution

1. Step 1: Write the proportion equation
   39,880,724 : 86,567,802 = 86,567,802 : x
2. Step 2: Convert to fraction form
   39,880,724/86,567,802 = 86,567,802/x
3. Step 3: Cross multiply
   39,880,724x = 86,567,802 × 86,567,802
4. Step 4: Simplify right side
   39,880,724x = 7,493,984,343,111,204
5. Step 5: Solve for x
   x = 7,493,984,343,111,204/39,880,724
6. Step 6: Final answer
   x = 187,909,937.22