Finding the Third Proportional to 402,334 and 870,002

Step by Step Solution

1. Step 1: Write the proportion equation
   402,334 : 870,002 = 870,002 : x
2. Step 2: Convert to fraction form
   402,334/870,002 = 870,002/x
3. Step 3: Cross multiply
   402,334x = 870,002 × 870,002
4. Step 4: Simplify right side
   402,334x = 756,903,480,004
5. Step 5: Solve for x
   x = 756,903,480,004/402,334
6. Step 6: Final answer
   x = 1,881,281.42