Finding the Third Proportional to 342,071 and 536,605

Step by Step Solution

1. Step 1: Write the proportion equation
   342,071 : 536,605 = 536,605 : x
2. Step 2: Convert to fraction form
   342,071/536,605 = 536,605/x
3. Step 3: Cross multiply
   342,071x = 536,605 × 536,605
4. Step 4: Simplify right side
   342,071x = 287,944,926,025
5. Step 5: Solve for x
   x = 287,944,926,025/342,071
6. Step 6: Final answer
   x = 841,769.47