Finding the Third Proportional to 238,477.50 and 505,386

Step by Step Solution

1. Step 1: Write the proportion equation
   238,477.50 : 505,386 = 505,386 : x
2. Step 2: Convert to fraction form
   238,477.50/505,386 = 505,386/x
3. Step 3: Cross multiply
   238,477.50x = 505,386 × 505,386
4. Step 4: Simplify right side
   238,477.50x = 255,415,008,996
5. Step 5: Solve for x
   x = 255,415,008,996/238,477.50
6. Step 6: Final answer
   x = 1,071,023.51