Finding the Third Proportional to 33,473 and 72,130

Step by Step Solution

1. Step 1: Write the proportion equation
   33,473 : 72,130 = 72,130 : x
2. Step 2: Convert to fraction form
   33,473/72,130 = 72,130/x
3. Step 3: Cross multiply
   33,473x = 72,130 × 72,130
4. Step 4: Simplify right side
   33,473x = 5,202,736,900
5. Step 5: Solve for x
   x = 5,202,736,900/33,473
6. Step 6: Final answer
   x = 155,430.85