Finding the Third Proportional to 230,248.50 and 488,280

Step by Step Solution

1. Step 1: Write the proportion equation
   230,248.50 : 488,280 = 488,280 : x
2. Step 2: Convert to fraction form
   230,248.50/488,280 = 488,280/x
3. Step 3: Cross multiply
   230,248.50x = 488,280 × 488,280
4. Step 4: Simplify right side
   230,248.50x = 238,417,358,400
5. Step 5: Solve for x
   x = 238,417,358,400/230,248.50
6. Step 6: Final answer
   x = 1,035,478.44