Finding the Third Proportional to 196,160.50 and 415,862

Step by Step Solution

1. Step 1: Write the proportion equation
   196,160.50 : 415,862 = 415,862 : x
2. Step 2: Convert to fraction form
   196,160.50/415,862 = 415,862/x
3. Step 3: Cross multiply
   196,160.50x = 415,862 × 415,862
4. Step 4: Simplify right side
   196,160.50x = 172,941,203,044
5. Step 5: Solve for x
   x = 172,941,203,044/196,160.50
6. Step 6: Final answer
   x = 881,631.13