Finding the Third Proportional to 72,030 and 157,056

Step by Step Solution

1. Step 1: Write the proportion equation
   72,030 : 157,056 = 157,056 : x
2. Step 2: Convert to fraction form
   72,030/157,056 = 157,056/x
3. Step 3: Cross multiply
   72,030x = 157,056 × 157,056
4. Step 4: Simplify right side
   72,030x = 24,666,587,136
5. Step 5: Solve for x
   x = 24,666,587,136/72,030
6. Step 6: Final answer
   x = 342,448.80