Finding the Third Proportional to 142,323.50 and 308,023

Step by Step Solution

1. Step 1: Write the proportion equation
   142,323.50 : 308,023 = 308,023 : x
2. Step 2: Convert to fraction form
   142,323.50/308,023 = 308,023/x
3. Step 3: Cross multiply
   142,323.50x = 308,023 × 308,023
4. Step 4: Simplify right side
   142,323.50x = 94,878,168,529
5. Step 5: Solve for x
   x = 94,878,168,529/142,323.50
6. Step 6: Final answer
   x = 666,637.40