Finding the Third Proportional to 387,321.50 and 838,962

Step by Step Solution

1. Step 1: Write the proportion equation
   387,321.50 : 838,962 = 838,962 : x
2. Step 2: Convert to fraction form
   387,321.50/838,962 = 838,962/x
3. Step 3: Cross multiply
   387,321.50x = 838,962 × 838,962
4. Step 4: Simplify right side
   387,321.50x = 703,857,237,444
5. Step 5: Solve for x
   x = 703,857,237,444/387,321.50
6. Step 6: Final answer
   x = 1,817,242.88