Finding the Third Proportional to 443,372.50 and 918,276.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,372.50 : 918,276.50 = 918,276.50 : x
2. Step 2: Convert to fraction form
   443,372.50/918,276.50 = 918,276.50/x
3. Step 3: Cross multiply
   443,372.50x = 918,276.50 × 918,276.50
4. Step 4: Simplify right side
   443,372.50x = 843,231,730,452.25
5. Step 5: Solve for x
   x = 843,231,730,452.25/443,372.50
6. Step 6: Final answer
   x = 1,901,858.44