Finding the Third Proportional to 42,757.50 and 99,907.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,757.50 : 99,907.50 = 99,907.50 : x
2. Step 2: Convert to fraction form
   42,757.50/99,907.50 = 99,907.50/x
3. Step 3: Cross multiply
   42,757.50x = 99,907.50 × 99,907.50
4. Step 4: Simplify right side
   42,757.50x = 9,981,508,556.25
5. Step 5: Solve for x
   x = 9,981,508,556.25/42,757.50
6. Step 6: Final answer
   x = 233,444.63