Finding the Third Proportional to 33,113 and 71,870

Step by Step Solution

1. Step 1: Write the proportion equation
   33,113 : 71,870 = 71,870 : x
2. Step 2: Convert to fraction form
   33,113/71,870 = 71,870/x
3. Step 3: Cross multiply
   33,113x = 71,870 × 71,870
4. Step 4: Simplify right side
   33,113x = 5,165,296,900
5. Step 5: Solve for x
   x = 5,165,296,900/33,113
6. Step 6: Final answer
   x = 155,990.00