Finding the Third Proportional to 35,870 and 73,200

Step by Step Solution

1. Step 1: Write the proportion equation
   35,870 : 73,200 = 73,200 : x
2. Step 2: Convert to fraction form
   35,870/73,200 = 73,200/x
3. Step 3: Cross multiply
   35,870x = 73,200 × 73,200
4. Step 4: Simplify right side
   35,870x = 5,358,240,000
5. Step 5: Solve for x
   x = 5,358,240,000/35,870
6. Step 6: Final answer
   x = 149,379.43