Finding the Third Proportional to 870,138 and 1,885,414

Step by Step Solution

1. Step 1: Write the proportion equation
   870,138 : 1,885,414 = 1,885,414 : x
2. Step 2: Convert to fraction form
   870,138/1,885,414 = 1,885,414/x
3. Step 3: Cross multiply
   870,138x = 1,885,414 × 1,885,414
4. Step 4: Simplify right side
   870,138x = 3,554,785,951,396
5. Step 5: Solve for x
   x = 3,554,785,951,396/870,138
6. Step 6: Final answer
   x = 4,085,312.85