Finding the Third Proportional to 109,705.50 and 236,056.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,705.50 : 236,056.50 = 236,056.50 : x
2. Step 2: Convert to fraction form
   109,705.50/236,056.50 = 236,056.50/x
3. Step 3: Cross multiply
   109,705.50x = 236,056.50 × 236,056.50
4. Step 4: Simplify right side
   109,705.50x = 55,722,671,192.25
5. Step 5: Solve for x
   x = 55,722,671,192.25/109,705.50
6. Step 6: Final answer
   x = 507,929.60