Finding the Third Proportional to 663,516 and 1,000,770

Step by Step Solution

1. Step 1: Write the proportion equation
   663,516 : 1,000,770 = 1,000,770 : x
2. Step 2: Convert to fraction form
   663,516/1,000,770 = 1,000,770/x
3. Step 3: Cross multiply
   663,516x = 1,000,770 × 1,000,770
4. Step 4: Simplify right side
   663,516x = 1,001,540,592,900
5. Step 5: Solve for x
   x = 1,001,540,592,900/663,516
6. Step 6: Final answer
   x = 1,509,444.52