Finding the Third Proportional to 238,483.50 and 505,398

Step by Step Solution

1. Step 1: Write the proportion equation
   238,483.50 : 505,398 = 505,398 : x
2. Step 2: Convert to fraction form
   238,483.50/505,398 = 505,398/x
3. Step 3: Cross multiply
   238,483.50x = 505,398 × 505,398
4. Step 4: Simplify right side
   238,483.50x = 255,427,138,404
5. Step 5: Solve for x
   x = 255,427,138,404/238,483.50
6. Step 6: Final answer
   x = 1,071,047.42