Finding the Third Proportional to 454,302 and 712,766.25

Step by Step Solution

1. Step 1: Write the proportion equation
   454,302 : 712,766.25 = 712,766.25 : x
2. Step 2: Convert to fraction form
   454,302/712,766.25 = 712,766.25/x
3. Step 3: Cross multiply
   454,302x = 712,766.25 × 712,766.25
4. Step 4: Simplify right side
   454,302x = 508,035,727,139.06
5. Step 5: Solve for x
   x = 508,035,727,139.06/454,302
6. Step 6: Final answer
   x = 1,118,277.55