Finding the Third Proportional to 58,388.50 and 120,929

Step by Step Solution

1. Step 1: Write the proportion equation
   58,388.50 : 120,929 = 120,929 : x
2. Step 2: Convert to fraction form
   58,388.50/120,929 = 120,929/x
3. Step 3: Cross multiply
   58,388.50x = 120,929 × 120,929
4. Step 4: Simplify right side
   58,388.50x = 14,623,823,041
5. Step 5: Solve for x
   x = 14,623,823,041/58,388.50
6. Step 6: Final answer
   x = 250,457.25