Finding the Third Proportional to 432,844.50 and 646,842

Step by Step Solution

1. Step 1: Write the proportion equation
   432,844.50 : 646,842 = 646,842 : x
2. Step 2: Convert to fraction form
   432,844.50/646,842 = 646,842/x
3. Step 3: Cross multiply
   432,844.50x = 646,842 × 646,842
4. Step 4: Simplify right side
   432,844.50x = 418,404,572,964
5. Step 5: Solve for x
   x = 418,404,572,964/432,844.50
6. Step 6: Final answer
   x = 966,639.46