Finding the Third Proportional to 71,398.50 and 100,410

Step by Step Solution

1. Step 1: Write the proportion equation
   71,398.50 : 100,410 = 100,410 : x
2. Step 2: Convert to fraction form
   71,398.50/100,410 = 100,410/x
3. Step 3: Cross multiply
   71,398.50x = 100,410 × 100,410
4. Step 4: Simplify right side
   71,398.50x = 10,082,168,100
5. Step 5: Solve for x
   x = 10,082,168,100/71,398.50
6. Step 6: Final answer
   x = 141,209.80