Finding the Third Proportional to 647,468 and 1,015,688

Step by Step Solution

1. Step 1: Write the proportion equation
   647,468 : 1,015,688 = 1,015,688 : x
2. Step 2: Convert to fraction form
   647,468/1,015,688 = 1,015,688/x
3. Step 3: Cross multiply
   647,468x = 1,015,688 × 1,015,688
4. Step 4: Simplify right side
   647,468x = 1,031,622,113,344
5. Step 5: Solve for x
   x = 1,031,622,113,344/647,468
6. Step 6: Final answer
   x = 1,593,317.53