Finding the Third Proportional to 443,488.50 and 918,477

Step by Step Solution

1. Step 1: Write the proportion equation
   443,488.50 : 918,477 = 918,477 : x
2. Step 2: Convert to fraction form
   443,488.50/918,477 = 918,477/x
3. Step 3: Cross multiply
   443,488.50x = 918,477 × 918,477
4. Step 4: Simplify right side
   443,488.50x = 843,599,999,529
5. Step 5: Solve for x
   x = 843,599,999,529/443,488.50
6. Step 6: Final answer
   x = 1,902,191.37