Finding the Third Proportional to 316,476 and 452,236.50

Step by Step Solution

1. Step 1: Write the proportion equation
   316,476 : 452,236.50 = 452,236.50 : x
2. Step 2: Convert to fraction form
   316,476/452,236.50 = 452,236.50/x
3. Step 3: Cross multiply
   316,476x = 452,236.50 × 452,236.50
4. Step 4: Simplify right side
   316,476x = 204,517,851,932.25
5. Step 5: Solve for x
   x = 204,517,851,932.25/316,476
6. Step 6: Final answer
   x = 646,234.95