Finding the Third Proportional to 183,485.50 and 401,939

Step by Step Solution

1. Step 1: Write the proportion equation
   183,485.50 : 401,939 = 401,939 : x
2. Step 2: Convert to fraction form
   183,485.50/401,939 = 401,939/x
3. Step 3: Cross multiply
   183,485.50x = 401,939 × 401,939
4. Step 4: Simplify right side
   183,485.50x = 161,554,959,721
5. Step 5: Solve for x
   x = 161,554,959,721/183,485.50
6. Step 6: Final answer
   x = 880,478.07