Finding the Third Proportional to 156,760 and 342,968

Step by Step Solution

1. Step 1: Write the proportion equation
   156,760 : 342,968 = 342,968 : x
2. Step 2: Convert to fraction form
   156,760/342,968 = 342,968/x
3. Step 3: Cross multiply
   156,760x = 342,968 × 342,968
4. Step 4: Simplify right side
   156,760x = 117,627,049,024
5. Step 5: Solve for x
   x = 117,627,049,024/156,760
6. Step 6: Final answer
   x = 750,363.93