Finding the Third Proportional to 71,521.73 and 97,136.40

Step by Step Solution

1. Step 1: Write the proportion equation
   71,521.73 : 97,136.40 = 97,136.40 : x
2. Step 2: Convert to fraction form
   71,521.73/97,136.40 = 97,136.40/x
3. Step 3: Cross multiply
   71,521.73x = 97,136.40 × 97,136.40
4. Step 4: Simplify right side
   71,521.73x = 9,435,480,660.29
5. Step 5: Solve for x
   x = 9,435,480,660.29/71,521.73
6. Step 6: Final answer
   x = 131,924.66