Finding the Third Proportional to 456,447 and 667,768.50

Step by Step Solution

1. Step 1: Write the proportion equation
   456,447 : 667,768.50 = 667,768.50 : x
2. Step 2: Convert to fraction form
   456,447/667,768.50 = 667,768.50/x
3. Step 3: Cross multiply
   456,447x = 667,768.50 × 667,768.50
4. Step 4: Simplify right side
   456,447x = 445,914,769,592.25
5. Step 5: Solve for x
   x = 445,914,769,592.25/456,447
6. Step 6: Final answer
   x = 976,925.62