Finding the Third Proportional to 688,130 and 950,870

Step by Step Solution

1. Step 1: Write the proportion equation
   688,130 : 950,870 = 950,870 : x
2. Step 2: Convert to fraction form
   688,130/950,870 = 950,870/x
3. Step 3: Cross multiply
   688,130x = 950,870 × 950,870
4. Step 4: Simplify right side
   688,130x = 904,153,756,900
5. Step 5: Solve for x
   x = 904,153,756,900/688,130
6. Step 6: Final answer
   x = 1,313,928.70