Finding the Third Proportional to 39,880,546 and 86,759,492

Step by Step Solution

1. Step 1: Write the proportion equation
   39,880,546 : 86,759,492 = 86,759,492 : x
2. Step 2: Convert to fraction form
   39,880,546/86,759,492 = 86,759,492/x
3. Step 3: Cross multiply
   39,880,546x = 86,759,492 × 86,759,492
4. Step 4: Simplify right side
   39,880,546x = 7,527,209,452,098,064
5. Step 5: Solve for x
   x = 7,527,209,452,098,064/39,880,546
6. Step 6: Final answer
   x = 188,743,891.62