Finding the Third Proportional to 109,312.50 and 239,064

Step by Step Solution

1. Step 1: Write the proportion equation
   109,312.50 : 239,064 = 239,064 : x
2. Step 2: Convert to fraction form
   109,312.50/239,064 = 239,064/x
3. Step 3: Cross multiply
   109,312.50x = 239,064 × 239,064
4. Step 4: Simplify right side
   109,312.50x = 57,151,596,096
5. Step 5: Solve for x
   x = 57,151,596,096/109,312.50
6. Step 6: Final answer
   x = 522,827.64