Finding the Third Proportional to 57,270 and 84,187.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,270 : 84,187.50 = 84,187.50 : x
2. Step 2: Convert to fraction form
   57,270/84,187.50 = 84,187.50/x
3. Step 3: Cross multiply
   57,270x = 84,187.50 × 84,187.50
4. Step 4: Simplify right side
   57,270x = 7,087,535,156.25
5. Step 5: Solve for x
   x = 7,087,535,156.25/57,270
6. Step 6: Final answer
   x = 123,756.51