Finding the Third Proportional to 72,928,957.50 and 111,245,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,928,957.50 : 111,245,629.50 = 111,245,629.50 : x
2. Step 2: Convert to fraction form
   72,928,957.50/111,245,629.50 = 111,245,629.50/x
3. Step 3: Cross multiply
   72,928,957.50x = 111,245,629.50 × 111,245,629.50
4. Step 4: Simplify right side
   72,928,957.50x = 12,375,590,082,851,270
5. Step 5: Solve for x
   x = 12,375,590,082,851,270/72,928,957.50
6. Step 6: Final answer
   x = 169,693,774.70