Finding the Third Proportional to 156,948 and 234,978

Step by Step Solution

1. Step 1: Write the proportion equation
   156,948 : 234,978 = 234,978 : x
2. Step 2: Convert to fraction form
   156,948/234,978 = 234,978/x
3. Step 3: Cross multiply
   156,948x = 234,978 × 234,978
4. Step 4: Simplify right side
   156,948x = 55,214,660,484
5. Step 5: Solve for x
   x = 55,214,660,484/156,948
6. Step 6: Final answer
   x = 351,802.26