Finding the Third Proportional to 569,870 and 885,890

Step by Step Solution

1. Step 1: Write the proportion equation
   569,870 : 885,890 = 885,890 : x
2. Step 2: Convert to fraction form
   569,870/885,890 = 885,890/x
3. Step 3: Cross multiply
   569,870x = 885,890 × 885,890
4. Step 4: Simplify right side
   569,870x = 784,801,092,100
5. Step 5: Solve for x
   x = 784,801,092,100/569,870
6. Step 6: Final answer
   x = 1,377,158.11