Finding the Third Proportional to 56,144 and 87,032

Step by Step Solution

1. Step 1: Write the proportion equation
   56,144 : 87,032 = 87,032 : x
2. Step 2: Convert to fraction form
   56,144/87,032 = 87,032/x
3. Step 3: Cross multiply
   56,144x = 87,032 × 87,032
4. Step 4: Simplify right side
   56,144x = 7,574,569,024
5. Step 5: Solve for x
   x = 7,574,569,024/56,144
6. Step 6: Final answer
   x = 134,913.24