Finding the Third Proportional to 647,930 and 959,142

Step by Step Solution

1. Step 1: Write the proportion equation
   647,930 : 959,142 = 959,142 : x
2. Step 2: Convert to fraction form
   647,930/959,142 = 959,142/x
3. Step 3: Cross multiply
   647,930x = 959,142 × 959,142
4. Step 4: Simplify right side
   647,930x = 919,953,376,164
5. Step 5: Solve for x
   x = 919,953,376,164/647,930
6. Step 6: Final answer
   x = 1,419,834.51