Finding the Third Proportional to 183,503.50 and 389,058

Step by Step Solution

1. Step 1: Write the proportion equation
   183,503.50 : 389,058 = 389,058 : x
2. Step 2: Convert to fraction form
   183,503.50/389,058 = 389,058/x
3. Step 3: Cross multiply
   183,503.50x = 389,058 × 389,058
4. Step 4: Simplify right side
   183,503.50x = 151,366,127,364
5. Step 5: Solve for x
   x = 151,366,127,364/183,503.50
6. Step 6: Final answer
   x = 824,867.79