Finding the Third Proportional to 156,192 and 342,000

Step by Step Solution

1. Step 1: Write the proportion equation
   156,192 : 342,000 = 342,000 : x
2. Step 2: Convert to fraction form
   156,192/342,000 = 342,000/x
3. Step 3: Cross multiply
   156,192x = 342,000 × 342,000
4. Step 4: Simplify right side
   156,192x = 116,964,000,000
5. Step 5: Solve for x
   x = 116,964,000,000/156,192
6. Step 6: Final answer
   x = 748,847.57