Finding the Third Proportional to 142,884 and 314,922.38

Step by Step Solution

1. Step 1: Write the proportion equation
   142,884 : 314,922.38 = 314,922.38 : x
2. Step 2: Convert to fraction form
   142,884/314,922.38 = 314,922.38/x
3. Step 3: Cross multiply
   142,884x = 314,922.38 × 314,922.38
4. Step 4: Simplify right side
   142,884x = 99,176,102,275.64
5. Step 5: Solve for x
   x = 99,176,102,275.64/142,884
6. Step 6: Final answer
   x = 694,102.22