Finding the Third Proportional to 863,128 and 1,914,896

Step by Step Solution

1. Step 1: Write the proportion equation
   863,128 : 1,914,896 = 1,914,896 : x
2. Step 2: Convert to fraction form
   863,128/1,914,896 = 1,914,896/x
3. Step 3: Cross multiply
   863,128x = 1,914,896 × 1,914,896
4. Step 4: Simplify right side
   863,128x = 3,666,826,690,816
5. Step 5: Solve for x
   x = 3,666,826,690,816/863,128
6. Step 6: Final answer
   x = 4,248,300.01