Finding the Third Proportional to 443,375 and 918,280

Step by Step Solution

1. Step 1: Write the proportion equation
   443,375 : 918,280 = 918,280 : x
2. Step 2: Convert to fraction form
   443,375/918,280 = 918,280/x
3. Step 3: Cross multiply
   443,375x = 918,280 × 918,280
4. Step 4: Simplify right side
   443,375x = 843,238,158,400
5. Step 5: Solve for x
   x = 843,238,158,400/443,375
6. Step 6: Final answer
   x = 1,901,862.21