Finding the Third Proportional to 220,970 and 481,316

Step by Step Solution

1. Step 1: Write the proportion equation
   220,970 : 481,316 = 481,316 : x
2. Step 2: Convert to fraction form
   220,970/481,316 = 481,316/x
3. Step 3: Cross multiply
   220,970x = 481,316 × 481,316
4. Step 4: Simplify right side
   220,970x = 231,665,091,856
5. Step 5: Solve for x
   x = 231,665,091,856/220,970
6. Step 6: Final answer
   x = 1,048,400.65