Finding the Third Proportional to 69,723 and 143,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,723 : 143,152.50 = 143,152.50 : x
2. Step 2: Convert to fraction form
   69,723/143,152.50 = 143,152.50/x
3. Step 3: Cross multiply
   69,723x = 143,152.50 × 143,152.50
4. Step 4: Simplify right side
   69,723x = 20,492,638,256.25
5. Step 5: Solve for x
   x = 20,492,638,256.25/69,723
6. Step 6: Final answer
   x = 293,915.04