Finding the Third Proportional to 581,543.50 and 877,843.50

Step by Step Solution

1. Step 1: Write the proportion equation
   581,543.50 : 877,843.50 = 877,843.50 : x
2. Step 2: Convert to fraction form
   581,543.50/877,843.50 = 877,843.50/x
3. Step 3: Cross multiply
   581,543.50x = 877,843.50 × 877,843.50
4. Step 4: Simplify right side
   581,543.50x = 770,609,210,492.25
5. Step 5: Solve for x
   x = 770,609,210,492.25/581,543.50
6. Step 6: Final answer
   x = 1,325,110.18