Finding the Third Proportional to 659,870 and 1,020,129

Step by Step Solution

1. Step 1: Write the proportion equation
   659,870 : 1,020,129 = 1,020,129 : x
2. Step 2: Convert to fraction form
   659,870/1,020,129 = 1,020,129/x
3. Step 3: Cross multiply
   659,870x = 1,020,129 × 1,020,129
4. Step 4: Simplify right side
   659,870x = 1,040,663,176,641
5. Step 5: Solve for x
   x = 1,040,663,176,641/659,870
6. Step 6: Final answer
   x = 1,577,073.02