Finding the Third Proportional to 148,174 and 314,936

Step by Step Solution

1. Step 1: Write the proportion equation
   148,174 : 314,936 = 314,936 : x
2. Step 2: Convert to fraction form
   148,174/314,936 = 314,936/x
3. Step 3: Cross multiply
   148,174x = 314,936 × 314,936
4. Step 4: Simplify right side
   148,174x = 99,184,684,096
5. Step 5: Solve for x
   x = 99,184,684,096/148,174
6. Step 6: Final answer
   x = 669,379.81