Finding the Third Proportional to 268,510,584 and 401,112,216

Step by Step Solution

1. Step 1: Write the proportion equation
   268,510,584 : 401,112,216 = 401,112,216 : x
2. Step 2: Convert to fraction form
   268,510,584/401,112,216 = 401,112,216/x
3. Step 3: Cross multiply
   268,510,584x = 401,112,216 × 401,112,216
4. Step 4: Simplify right side
   268,510,584x = 160,891,009,824,430,656
5. Step 5: Solve for x
   x = 160,891,009,824,430,656/268,510,584
6. Step 6: Final answer
   x = 599,198,018.30