Finding the Third Proportional to 57,722 and 77,570.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,722 : 77,570.50 = 77,570.50 : x
2. Step 2: Convert to fraction form
   57,722/77,570.50 = 77,570.50/x
3. Step 3: Cross multiply
   57,722x = 77,570.50 × 77,570.50
4. Step 4: Simplify right side
   57,722x = 6,017,182,470.25
5. Step 5: Solve for x
   x = 6,017,182,470.25/57,722
6. Step 6: Final answer
   x = 104,244.18