Finding the Third Proportional to 570,433.50 and 876,870

Step by Step Solution

1. Step 1: Write the proportion equation
   570,433.50 : 876,870 = 876,870 : x
2. Step 2: Convert to fraction form
   570,433.50/876,870 = 876,870/x
3. Step 3: Cross multiply
   570,433.50x = 876,870 × 876,870
4. Step 4: Simplify right side
   570,433.50x = 768,900,996,900
5. Step 5: Solve for x
   x = 768,900,996,900/570,433.50
6. Step 6: Final answer
   x = 1,347,923.99