Finding the Third Proportional to 33,615 and 70,670

Step by Step Solution

1. Step 1: Write the proportion equation
   33,615 : 70,670 = 70,670 : x
2. Step 2: Convert to fraction form
   33,615/70,670 = 70,670/x
3. Step 3: Cross multiply
   33,615x = 70,670 × 70,670
4. Step 4: Simplify right side
   33,615x = 4,994,248,900
5. Step 5: Solve for x
   x = 4,994,248,900/33,615
6. Step 6: Final answer
   x = 148,572.03