Finding the Third Proportional to 33,486 and 70,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,486 : 70,417.50 = 70,417.50 : x
2. Step 2: Convert to fraction form
   33,486/70,417.50 = 70,417.50/x
3. Step 3: Cross multiply
   33,486x = 70,417.50 × 70,417.50
4. Step 4: Simplify right side
   33,486x = 4,958,624,306.25
5. Step 5: Solve for x
   x = 4,958,624,306.25/33,486
6. Step 6: Final answer
   x = 148,080.52