Finding the Third Proportional to 32,870 and 70,912

Step by Step Solution

1. Step 1: Write the proportion equation
   32,870 : 70,912 = 70,912 : x
2. Step 2: Convert to fraction form
   32,870/70,912 = 70,912/x
3. Step 3: Cross multiply
   32,870x = 70,912 × 70,912
4. Step 4: Simplify right side
   32,870x = 5,028,511,744
5. Step 5: Solve for x
   x = 5,028,511,744/32,870
6. Step 6: Final answer
   x = 152,981.80