Finding the Third Proportional to 207,234 and 314,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,234 : 314,905.50 = 314,905.50 : x
2. Step 2: Convert to fraction form
   207,234/314,905.50 = 314,905.50/x
3. Step 3: Cross multiply
   207,234x = 314,905.50 × 314,905.50
4. Step 4: Simplify right side
   207,234x = 99,165,473,930.25
5. Step 5: Solve for x
   x = 99,165,473,930.25/207,234
6. Step 6: Final answer
   x = 478,519.33