Finding the Third Proportional to 143,881,328 and 222,697,554

Step by Step Solution

1. Step 1: Write the proportion equation
   143,881,328 : 222,697,554 = 222,697,554 : x
2. Step 2: Convert to fraction form
   143,881,328/222,697,554 = 222,697,554/x
3. Step 3: Cross multiply
   143,881,328x = 222,697,554 × 222,697,554
4. Step 4: Simplify right side
   143,881,328x = 49,594,200,557,582,912
5. Step 5: Solve for x
   x = 49,594,200,557,582,912/143,881,328
6. Step 6: Final answer
   x = 344,688,231.94