Finding the Third Proportional to 57,907.50 and 91,768.75

Step by Step Solution

1. Step 1: Write the proportion equation
   57,907.50 : 91,768.75 = 91,768.75 : x
2. Step 2: Convert to fraction form
   57,907.50/91,768.75 = 91,768.75/x
3. Step 3: Cross multiply
   57,907.50x = 91,768.75 × 91,768.75
4. Step 4: Simplify right side
   57,907.50x = 8,421,503,476.56
5. Step 5: Solve for x
   x = 8,421,503,476.56/57,907.50
6. Step 6: Final answer
   x = 145,430.27