Finding the Third Proportional to 435,654 and 666,297

Step by Step Solution

1. Step 1: Write the proportion equation
   435,654 : 666,297 = 666,297 : x
2. Step 2: Convert to fraction form
   435,654/666,297 = 666,297/x
3. Step 3: Cross multiply
   435,654x = 666,297 × 666,297
4. Step 4: Simplify right side
   435,654x = 443,951,692,209
5. Step 5: Solve for x
   x = 443,951,692,209/435,654
6. Step 6: Final answer
   x = 1,019,046.52