Finding the Third Proportional to 455,971.50 and 706,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   455,971.50 : 706,099.50 = 706,099.50 : x
2. Step 2: Convert to fraction form
   455,971.50/706,099.50 = 706,099.50/x
3. Step 3: Cross multiply
   455,971.50x = 706,099.50 × 706,099.50
4. Step 4: Simplify right side
   455,971.50x = 498,576,503,900.25
5. Step 5: Solve for x
   x = 498,576,503,900.25/455,971.50
6. Step 6: Final answer
   x = 1,093,437.87