Finding the Third Proportional to 663,688 and 1,020,714

Step by Step Solution

1. Step 1: Write the proportion equation
   663,688 : 1,020,714 = 1,020,714 : x
2. Step 2: Convert to fraction form
   663,688/1,020,714 = 1,020,714/x
3. Step 3: Cross multiply
   663,688x = 1,020,714 × 1,020,714
4. Step 4: Simplify right side
   663,688x = 1,041,857,069,796
5. Step 5: Solve for x
   x = 1,041,857,069,796/663,688
6. Step 6: Final answer
   x = 1,569,799.47