Finding the Third Proportional to 870,662 and 1,276,185

Step by Step Solution

1. Step 1: Write the proportion equation
   870,662 : 1,276,185 = 1,276,185 : x
2. Step 2: Convert to fraction form
   870,662/1,276,185 = 1,276,185/x
3. Step 3: Cross multiply
   870,662x = 1,276,185 × 1,276,185
4. Step 4: Simplify right side
   870,662x = 1,628,648,154,225
5. Step 5: Solve for x
   x = 1,628,648,154,225/870,662
6. Step 6: Final answer
   x = 1,870,586.01