Finding the Third Proportional to 226,515 and 272,032.50

Step by Step Solution

1. Step 1: Write the proportion equation
   226,515 : 272,032.50 = 272,032.50 : x
2. Step 2: Convert to fraction form
   226,515/272,032.50 = 272,032.50/x
3. Step 3: Cross multiply
   226,515x = 272,032.50 × 272,032.50
4. Step 4: Simplify right side
   226,515x = 74,001,681,056.25
5. Step 5: Solve for x
   x = 74,001,681,056.25/226,515
6. Step 6: Final answer
   x = 326,696.60