Finding the Third Proportional to 69,396 and 148,630.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,396 : 148,630.50 = 148,630.50 : x
2. Step 2: Convert to fraction form
   69,396/148,630.50 = 148,630.50/x
3. Step 3: Cross multiply
   69,396x = 148,630.50 × 148,630.50
4. Step 4: Simplify right side
   69,396x = 22,091,025,530.25
5. Step 5: Solve for x
   x = 22,091,025,530.25/69,396
6. Step 6: Final answer
   x = 318,332.84