Finding the Third Proportional to 443,332 and 918,200

Step by Step Solution

1. Step 1: Write the proportion equation
   443,332 : 918,200 = 918,200 : x
2. Step 2: Convert to fraction form
   443,332/918,200 = 918,200/x
3. Step 3: Cross multiply
   443,332x = 918,200 × 918,200
4. Step 4: Simplify right side
   443,332x = 843,091,240,000
5. Step 5: Solve for x
   x = 843,091,240,000/443,332
6. Step 6: Final answer
   x = 1,901,715.28