Finding the Third Proportional to 149,700.50 and 238,316

Step by Step Solution

1. Step 1: Write the proportion equation
   149,700.50 : 238,316 = 238,316 : x
2. Step 2: Convert to fraction form
   149,700.50/238,316 = 238,316/x
3. Step 3: Cross multiply
   149,700.50x = 238,316 × 238,316
4. Step 4: Simplify right side
   149,700.50x = 56,794,515,856
5. Step 5: Solve for x
   x = 56,794,515,856/149,700.50
6. Step 6: Final answer
   x = 379,387.62