Finding the Third Proportional to 148,906 and 324,076

Step by Step Solution

1. Step 1: Write the proportion equation
   148,906 : 324,076 = 324,076 : x
2. Step 2: Convert to fraction form
   148,906/324,076 = 324,076/x
3. Step 3: Cross multiply
   148,906x = 324,076 × 324,076
4. Step 4: Simplify right side
   148,906x = 105,025,253,776
5. Step 5: Solve for x
   x = 105,025,253,776/148,906
6. Step 6: Final answer
   x = 705,312.44