Finding the Third Proportional to 64,305 and 141,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,305 : 141,060.50 = 141,060.50 : x
2. Step 2: Convert to fraction form
   64,305/141,060.50 = 141,060.50/x
3. Step 3: Cross multiply
   64,305x = 141,060.50 × 141,060.50
4. Step 4: Simplify right side
   64,305x = 19,898,064,660.25
5. Step 5: Solve for x
   x = 19,898,064,660.25/64,305
6. Step 6: Final answer
   x = 309,432.62