Finding the Third Proportional to 43,412 and 89,740

Step by Step Solution

1. Step 1: Write the proportion equation
   43,412 : 89,740 = 89,740 : x
2. Step 2: Convert to fraction form
   43,412/89,740 = 89,740/x
3. Step 3: Cross multiply
   43,412x = 89,740 × 89,740
4. Step 4: Simplify right side
   43,412x = 8,053,267,600
5. Step 5: Solve for x
   x = 8,053,267,600/43,412
6. Step 6: Final answer
   x = 185,507.87