Finding the Third Proportional to 142,526 and 301,072

Step by Step Solution

1. Step 1: Write the proportion equation
   142,526 : 301,072 = 301,072 : x
2. Step 2: Convert to fraction form
   142,526/301,072 = 301,072/x
3. Step 3: Cross multiply
   142,526x = 301,072 × 301,072
4. Step 4: Simplify right side
   142,526x = 90,644,349,184
5. Step 5: Solve for x
   x = 90,644,349,184/142,526
6. Step 6: Final answer
   x = 635,984.66