Finding the Third Proportional to 61,570.50 and 132,981

Step by Step Solution

1. Step 1: Write the proportion equation
   61,570.50 : 132,981 = 132,981 : x
2. Step 2: Convert to fraction form
   61,570.50/132,981 = 132,981/x
3. Step 3: Cross multiply
   61,570.50x = 132,981 × 132,981
4. Step 4: Simplify right side
   61,570.50x = 17,683,946,361
5. Step 5: Solve for x
   x = 17,683,946,361/61,570.50
6. Step 6: Final answer
   x = 287,214.60