Finding the Third Proportional to 647,023 and 979,602

Step by Step Solution

1. Step 1: Write the proportion equation
   647,023 : 979,602 = 979,602 : x
2. Step 2: Convert to fraction form
   647,023/979,602 = 979,602/x
3. Step 3: Cross multiply
   647,023x = 979,602 × 979,602
4. Step 4: Simplify right side
   647,023x = 959,620,078,404
5. Step 5: Solve for x
   x = 959,620,078,404/647,023
6. Step 6: Final answer
   x = 1,483,131.32