Finding the Third Proportional to 127,215 and 202,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,215 : 202,060.50 = 202,060.50 : x
2. Step 2: Convert to fraction form
   127,215/202,060.50 = 202,060.50/x
3. Step 3: Cross multiply
   127,215x = 202,060.50 × 202,060.50
4. Step 4: Simplify right side
   127,215x = 40,828,445,660.25
5. Step 5: Solve for x
   x = 40,828,445,660.25/127,215
6. Step 6: Final answer
   x = 320,940.50