Finding the Third Proportional to 318,582 and 482,499.75

Step by Step Solution

1. Step 1: Write the proportion equation
   318,582 : 482,499.75 = 482,499.75 : x
2. Step 2: Convert to fraction form
   318,582/482,499.75 = 482,499.75/x
3. Step 3: Cross multiply
   318,582x = 482,499.75 × 482,499.75
4. Step 4: Simplify right side
   318,582x = 232,806,008,750.06
5. Step 5: Solve for x
   x = 232,806,008,750.06/318,582
6. Step 6: Final answer
   x = 730,756.94