Finding the Third Proportional to 148,388.50 and 349,938

Step by Step Solution

1. Step 1: Write the proportion equation
   148,388.50 : 349,938 = 349,938 : x
2. Step 2: Convert to fraction form
   148,388.50/349,938 = 349,938/x
3. Step 3: Cross multiply
   148,388.50x = 349,938 × 349,938
4. Step 4: Simplify right side
   148,388.50x = 122,456,603,844
5. Step 5: Solve for x
   x = 122,456,603,844/148,388.50
6. Step 6: Final answer
   x = 825,243.22