Finding the Third Proportional to 157,389 and 237,580.50

Step by Step Solution

1. Step 1: Write the proportion equation
   157,389 : 237,580.50 = 237,580.50 : x
2. Step 2: Convert to fraction form
   157,389/237,580.50 = 237,580.50/x
3. Step 3: Cross multiply
   157,389x = 237,580.50 × 237,580.50
4. Step 4: Simplify right side
   157,389x = 56,444,493,980.25
5. Step 5: Solve for x
   x = 56,444,493,980.25/157,389
6. Step 6: Final answer
   x = 358,630.49