Finding the Third Proportional to 230,972 and 480,300

Step by Step Solution

1. Step 1: Write the proportion equation
   230,972 : 480,300 = 480,300 : x
2. Step 2: Convert to fraction form
   230,972/480,300 = 480,300/x
3. Step 3: Cross multiply
   230,972x = 480,300 × 480,300
4. Step 4: Simplify right side
   230,972x = 230,688,090,000
5. Step 5: Solve for x
   x = 230,688,090,000/230,972
6. Step 6: Final answer
   x = 998,770.80