Finding the Third Proportional to 52,543.69 and 68,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,543.69 : 68,971.50 = 68,971.50 : x
2. Step 2: Convert to fraction form
   52,543.69/68,971.50 = 68,971.50/x
3. Step 3: Cross multiply
   52,543.69x = 68,971.50 × 68,971.50
4. Step 4: Simplify right side
   52,543.69x = 4,757,067,812.25
5. Step 5: Solve for x
   x = 4,757,067,812.25/52,543.69
6. Step 6: Final answer
   x = 90,535.48