Finding the Third Proportional to 215,026.31 and 341,607.38

Step by Step Solution

1. Step 1: Write the proportion equation
   215,026.31 : 341,607.38 = 341,607.38 : x
2. Step 2: Convert to fraction form
   215,026.31/341,607.38 = 341,607.38/x
3. Step 3: Cross multiply
   215,026.31x = 341,607.38 × 341,607.38
4. Step 4: Simplify right side
   215,026.31x = 116,695,598,654.39
5. Step 5: Solve for x
   x = 116,695,598,654.39/215,026.31
6. Step 6: Final answer
   x = 542,703.81