Finding the Third Proportional to 342,711 and 535,936.50

Step by Step Solution

1. Step 1: Write the proportion equation
   342,711 : 535,936.50 = 535,936.50 : x
2. Step 2: Convert to fraction form
   342,711/535,936.50 = 535,936.50/x
3. Step 3: Cross multiply
   342,711x = 535,936.50 × 535,936.50
4. Step 4: Simplify right side
   342,711x = 287,227,932,032.25
5. Step 5: Solve for x
   x = 287,227,932,032.25/342,711
6. Step 6: Final answer
   x = 838,105.38