Finding the Third Proportional to 456,501 and 709,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   456,501 : 709,669.50 = 709,669.50 : x
2. Step 2: Convert to fraction form
   456,501/709,669.50 = 709,669.50/x
3. Step 3: Cross multiply
   456,501x = 709,669.50 × 709,669.50
4. Step 4: Simplify right side
   456,501x = 503,630,799,230.25
5. Step 5: Solve for x
   x = 503,630,799,230.25/456,501
6. Step 6: Final answer
   x = 1,103,241.39