Finding the Third Proportional to 42,933 and 57,838.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,933 : 57,838.50 = 57,838.50 : x
2. Step 2: Convert to fraction form
   42,933/57,838.50 = 57,838.50/x
3. Step 3: Cross multiply
   42,933x = 57,838.50 × 57,838.50
4. Step 4: Simplify right side
   42,933x = 3,345,292,082.25
5. Step 5: Solve for x
   x = 3,345,292,082.25/42,933
6. Step 6: Final answer
   x = 77,918.90