Finding the Third Proportional to 603,660 and 1,266,072

Step by Step Solution

1. Step 1: Write the proportion equation
   603,660 : 1,266,072 = 1,266,072 : x
2. Step 2: Convert to fraction form
   603,660/1,266,072 = 1,266,072/x
3. Step 3: Cross multiply
   603,660x = 1,266,072 × 1,266,072
4. Step 4: Simplify right side
   603,660x = 1,602,938,309,184
5. Step 5: Solve for x
   x = 1,602,938,309,184/603,660
6. Step 6: Final answer
   x = 2,655,366.12