Finding the Third Proportional to 117,272 and 228,711.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,272 : 228,711.50 = 228,711.50 : x
2. Step 2: Convert to fraction form
   117,272/228,711.50 = 228,711.50/x
3. Step 3: Cross multiply
   117,272x = 228,711.50 × 228,711.50
4. Step 4: Simplify right side
   117,272x = 52,308,950,232.25
5. Step 5: Solve for x
   x = 52,308,950,232.25/117,272
6. Step 6: Final answer
   x = 446,048.08