Finding the Third Proportional to 302,463 and 456,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,463 : 456,124.50 = 456,124.50 : x
2. Step 2: Convert to fraction form
   302,463/456,124.50 = 456,124.50/x
3. Step 3: Cross multiply
   302,463x = 456,124.50 × 456,124.50
4. Step 4: Simplify right side
   302,463x = 208,049,559,500.25
5. Step 5: Solve for x
   x = 208,049,559,500.25/302,463
6. Step 6: Final answer
   x = 687,851.27