Finding the Third Proportional to 156,078 and 341,892

Step by Step Solution

1. Step 1: Write the proportion equation
   156,078 : 341,892 = 341,892 : x
2. Step 2: Convert to fraction form
   156,078/341,892 = 341,892/x
3. Step 3: Cross multiply
   156,078x = 341,892 × 341,892
4. Step 4: Simplify right side
   156,078x = 116,890,139,664
5. Step 5: Solve for x
   x = 116,890,139,664/156,078
6. Step 6: Final answer
   x = 748,921.31