Finding the Third Proportional to 20,715.75 and 35,670.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,715.75 : 35,670.38 = 35,670.38 : x
2. Step 2: Convert to fraction form
   20,715.75/35,670.38 = 35,670.38/x
3. Step 3: Cross multiply
   20,715.75x = 35,670.38 × 35,670.38
4. Step 4: Simplify right side
   20,715.75x = 1,272,375,652.64
5. Step 5: Solve for x
   x = 1,272,375,652.64/20,715.75
6. Step 6: Final answer
   x = 61,420.69