Finding the Third Proportional to 80,856,910 and 175,880,778

Step by Step Solution

1. Step 1: Write the proportion equation
   80,856,910 : 175,880,778 = 175,880,778 : x
2. Step 2: Convert to fraction form
   80,856,910/175,880,778 = 175,880,778/x
3. Step 3: Cross multiply
   80,856,910x = 175,880,778 × 175,880,778
4. Step 4: Simplify right side
   80,856,910x = 30,934,048,069,885,284
5. Step 5: Solve for x
   x = 30,934,048,069,885,284/80,856,910
6. Step 6: Final answer
   x = 382,577,668.00