Finding the Third Proportional to 443,316 and 918,168

Step by Step Solution

1. Step 1: Write the proportion equation
   443,316 : 918,168 = 918,168 : x
2. Step 2: Convert to fraction form
   443,316/918,168 = 918,168/x
3. Step 3: Cross multiply
   443,316x = 918,168 × 918,168
4. Step 4: Simplify right side
   443,316x = 843,032,476,224
5. Step 5: Solve for x
   x = 843,032,476,224/443,316
6. Step 6: Final answer
   x = 1,901,651.36