Finding the Third Proportional to 139,159,022 and 274,805,449

Step by Step Solution

1. Step 1: Write the proportion equation
   139,159,022 : 274,805,449 = 274,805,449 : x
2. Step 2: Convert to fraction form
   139,159,022/274,805,449 = 274,805,449/x
3. Step 3: Cross multiply
   139,159,022x = 274,805,449 × 274,805,449
4. Step 4: Simplify right side
   139,159,022x = 75,518,034,800,091,600
5. Step 5: Solve for x
   x = 75,518,034,800,091,600/139,159,022
6. Step 6: Final answer
   x = 542,674,371.48