Finding the Third Proportional to 483,543 and 745,611.75

Step by Step Solution

1. Step 1: Write the proportion equation
   483,543 : 745,611.75 = 745,611.75 : x
2. Step 2: Convert to fraction form
   483,543/745,611.75 = 745,611.75/x
3. Step 3: Cross multiply
   483,543x = 745,611.75 × 745,611.75
4. Step 4: Simplify right side
   483,543x = 555,936,881,738.06
5. Step 5: Solve for x
   x = 555,936,881,738.06/483,543
6. Step 6: Final answer
   x = 1,149,715.50