Finding the Third Proportional to 157,215 and 243,625.50

Step by Step Solution

1. Step 1: Write the proportion equation
   157,215 : 243,625.50 = 243,625.50 : x
2. Step 2: Convert to fraction form
   157,215/243,625.50 = 243,625.50/x
3. Step 3: Cross multiply
   157,215x = 243,625.50 × 243,625.50
4. Step 4: Simplify right side
   157,215x = 59,353,384,250.25
5. Step 5: Solve for x
   x = 59,353,384,250.25/157,215
6. Step 6: Final answer
   x = 377,530.03