Finding the Third Proportional to 140,595,986 and 288,041,656

Step by Step Solution

1. Step 1: Write the proportion equation
   140,595,986 : 288,041,656 = 288,041,656 : x
2. Step 2: Convert to fraction form
   140,595,986/288,041,656 = 288,041,656/x
3. Step 3: Cross multiply
   140,595,986x = 288,041,656 × 288,041,656
4. Step 4: Simplify right side
   140,595,986x = 82,967,995,591,222,336
5. Step 5: Solve for x
   x = 82,967,995,591,222,336/140,595,986
6. Step 6: Final answer
   x = 590,116,389.18