Finding the Third Proportional to 148,369.50 and 321,363

Step by Step Solution

1. Step 1: Write the proportion equation
   148,369.50 : 321,363 = 321,363 : x
2. Step 2: Convert to fraction form
   148,369.50/321,363 = 321,363/x
3. Step 3: Cross multiply
   148,369.50x = 321,363 × 321,363
4. Step 4: Simplify right side
   148,369.50x = 103,274,177,769
5. Step 5: Solve for x
   x = 103,274,177,769/148,369.50
6. Step 6: Final answer
   x = 696,060.70