Finding the Third Proportional to 369,658 and 570,810

Step by Step Solution

1. Step 1: Write the proportion equation
   369,658 : 570,810 = 570,810 : x
2. Step 2: Convert to fraction form
   369,658/570,810 = 570,810/x
3. Step 3: Cross multiply
   369,658x = 570,810 × 570,810
4. Step 4: Simplify right side
   369,658x = 325,824,056,100
5. Step 5: Solve for x
   x = 325,824,056,100/369,658
6. Step 6: Final answer
   x = 881,420.28