Finding the Third Proportional to 156,927 and 342,995

Step by Step Solution

1. Step 1: Write the proportion equation
   156,927 : 342,995 = 342,995 : x
2. Step 2: Convert to fraction form
   156,927/342,995 = 342,995/x
3. Step 3: Cross multiply
   156,927x = 342,995 × 342,995
4. Step 4: Simplify right side
   156,927x = 117,645,570,025
5. Step 5: Solve for x
   x = 117,645,570,025/156,927
6. Step 6: Final answer
   x = 749,683.42