Finding the Third Proportional to 156,667 and 238,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,667 : 238,678.50 = 238,678.50 : x
2. Step 2: Convert to fraction form
   156,667/238,678.50 = 238,678.50/x
3. Step 3: Cross multiply
   156,667x = 238,678.50 × 238,678.50
4. Step 4: Simplify right side
   156,667x = 56,967,426,362.25
5. Step 5: Solve for x
   x = 56,967,426,362.25/156,667
6. Step 6: Final answer
   x = 363,621.10