Finding the Third Proportional to 111,470 and 238,060

Step by Step Solution

1. Step 1: Write the proportion equation
   111,470 : 238,060 = 238,060 : x
2. Step 2: Convert to fraction form
   111,470/238,060 = 238,060/x
3. Step 3: Cross multiply
   111,470x = 238,060 × 238,060
4. Step 4: Simplify right side
   111,470x = 56,672,563,600
5. Step 5: Solve for x
   x = 56,672,563,600/111,470
6. Step 6: Final answer
   x = 508,410.91