Finding the Third Proportional to 69,043.50 and 147,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,043.50 : 147,919.50 = 147,919.50 : x
2. Step 2: Convert to fraction form
   69,043.50/147,919.50 = 147,919.50/x
3. Step 3: Cross multiply
   69,043.50x = 147,919.50 × 147,919.50
4. Step 4: Simplify right side
   69,043.50x = 21,880,178,480.25
5. Step 5: Solve for x
   x = 21,880,178,480.25/69,043.50
6. Step 6: Final answer
   x = 316,904.25