Finding the Third Proportional to 432,841.50 and 646,839

Step by Step Solution

1. Step 1: Write the proportion equation
   432,841.50 : 646,839 = 646,839 : x
2. Step 2: Convert to fraction form
   432,841.50/646,839 = 646,839/x
3. Step 3: Cross multiply
   432,841.50x = 646,839 × 646,839
4. Step 4: Simplify right side
   432,841.50x = 418,400,691,921
5. Step 5: Solve for x
   x = 418,400,691,921/432,841.50
6. Step 6: Final answer
   x = 966,637.19