Finding the Third Proportional to 388,168.88 and 838,667.25

Step by Step Solution

1. Step 1: Write the proportion equation
   388,168.88 : 838,667.25 = 838,667.25 : x
2. Step 2: Convert to fraction form
   388,168.88/838,667.25 = 838,667.25/x
3. Step 3: Cross multiply
   388,168.88x = 838,667.25 × 838,667.25
4. Step 4: Simplify right side
   388,168.88x = 703,362,756,222.56
5. Step 5: Solve for x
   x = 703,362,756,222.56/388,168.88
6. Step 6: Final answer
   x = 1,812,001.94