Finding the Third Proportional to 109,072,357.50 and 233,261,257.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,072,357.50 : 233,261,257.50 = 233,261,257.50 : x
2. Step 2: Convert to fraction form
   109,072,357.50/233,261,257.50 = 233,261,257.50/x
3. Step 3: Cross multiply
   109,072,357.50x = 233,261,257.50 × 233,261,257.50
4. Step 4: Simplify right side
   109,072,357.50x = 54,410,814,250,481,304
5. Step 5: Solve for x
   x = 54,410,814,250,481,304/109,072,357.50
6. Step 6: Final answer
   x = 498,850,629.96