Finding the Third Proportional to 381,460.50 and 828,468

Step by Step Solution

1. Step 1: Write the proportion equation
   381,460.50 : 828,468 = 828,468 : x
2. Step 2: Convert to fraction form
   381,460.50/828,468 = 828,468/x
3. Step 3: Cross multiply
   381,460.50x = 828,468 × 828,468
4. Step 4: Simplify right side
   381,460.50x = 686,359,227,024
5. Step 5: Solve for x
   x = 686,359,227,024/381,460.50
6. Step 6: Final answer
   x = 1,799,293.05