Finding the Third Proportional to 152,356 and 238,254

Step by Step Solution

1. Step 1: Write the proportion equation
   152,356 : 238,254 = 238,254 : x
2. Step 2: Convert to fraction form
   152,356/238,254 = 238,254/x
3. Step 3: Cross multiply
   152,356x = 238,254 × 238,254
4. Step 4: Simplify right side
   152,356x = 56,764,968,516
5. Step 5: Solve for x
   x = 56,764,968,516/152,356
6. Step 6: Final answer
   x = 372,581.12