Finding the Third Proportional to 69,702 and 148,396.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,702 : 148,396.50 = 148,396.50 : x
2. Step 2: Convert to fraction form
   69,702/148,396.50 = 148,396.50/x
3. Step 3: Cross multiply
   69,702x = 148,396.50 × 148,396.50
4. Step 4: Simplify right side
   69,702x = 22,021,521,212.25
5. Step 5: Solve for x
   x = 22,021,521,212.25/69,702
6. Step 6: Final answer
   x = 315,938.15