Finding the Third Proportional to 446,210.50 and 870,002

Step by Step Solution

1. Step 1: Write the proportion equation
   446,210.50 : 870,002 = 870,002 : x
2. Step 2: Convert to fraction form
   446,210.50/870,002 = 870,002/x
3. Step 3: Cross multiply
   446,210.50x = 870,002 × 870,002
4. Step 4: Simplify right side
   446,210.50x = 756,903,480,004
5. Step 5: Solve for x
   x = 756,903,480,004/446,210.50
6. Step 6: Final answer
   x = 1,696,292.40