Finding the Third Proportional to 42,909.75 and 100,237.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,909.75 : 100,237.50 = 100,237.50 : x
2. Step 2: Convert to fraction form
   42,909.75/100,237.50 = 100,237.50/x
3. Step 3: Cross multiply
   42,909.75x = 100,237.50 × 100,237.50
4. Step 4: Simplify right side
   42,909.75x = 10,047,556,406.25
5. Step 5: Solve for x
   x = 10,047,556,406.25/42,909.75
6. Step 6: Final answer
   x = 234,155.56