Finding the Third Proportional to 238,470 and 492,060

Step by Step Solution

1. Step 1: Write the proportion equation
   238,470 : 492,060 = 492,060 : x
2. Step 2: Convert to fraction form
   238,470/492,060 = 492,060/x
3. Step 3: Cross multiply
   238,470x = 492,060 × 492,060
4. Step 4: Simplify right side
   238,470x = 242,123,043,600
5. Step 5: Solve for x
   x = 242,123,043,600/238,470
6. Step 6: Final answer
   x = 1,015,318.67