Finding the Third Proportional to 42,343.50 and 90,168

Step by Step Solution

1. Step 1: Write the proportion equation
   42,343.50 : 90,168 = 90,168 : x
2. Step 2: Convert to fraction form
   42,343.50/90,168 = 90,168/x
3. Step 3: Cross multiply
   42,343.50x = 90,168 × 90,168
4. Step 4: Simplify right side
   42,343.50x = 8,130,268,224
5. Step 5: Solve for x
   x = 8,130,268,224/42,343.50
6. Step 6: Final answer
   x = 192,007.47