Finding the Third Proportional to 142,051 and 315,632

Step by Step Solution

1. Step 1: Write the proportion equation
   142,051 : 315,632 = 315,632 : x
2. Step 2: Convert to fraction form
   142,051/315,632 = 315,632/x
3. Step 3: Cross multiply
   142,051x = 315,632 × 315,632
4. Step 4: Simplify right side
   142,051x = 99,623,559,424
5. Step 5: Solve for x
   x = 99,623,559,424/142,051
6. Step 6: Final answer
   x = 701,322.48