Finding the Third Proportional to 148,288.50 and 349,906

Step by Step Solution

1. Step 1: Write the proportion equation
   148,288.50 : 349,906 = 349,906 : x
2. Step 2: Convert to fraction form
   148,288.50/349,906 = 349,906/x
3. Step 3: Cross multiply
   148,288.50x = 349,906 × 349,906
4. Step 4: Simplify right side
   148,288.50x = 122,434,208,836
5. Step 5: Solve for x
   x = 122,434,208,836/148,288.50
6. Step 6: Final answer
   x = 825,648.71