Finding the Third Proportional to 71,199 and 144,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,199 : 144,445.50 = 144,445.50 : x
2. Step 2: Convert to fraction form
   71,199/144,445.50 = 144,445.50/x
3. Step 3: Cross multiply
   71,199x = 144,445.50 × 144,445.50
4. Step 4: Simplify right side
   71,199x = 20,864,502,470.25
5. Step 5: Solve for x
   x = 20,864,502,470.25/71,199
6. Step 6: Final answer
   x = 293,044.88