Finding the Third Proportional to 52,570 and 81,627

Step by Step Solution

1. Step 1: Write the proportion equation
   52,570 : 81,627 = 81,627 : x
2. Step 2: Convert to fraction form
   52,570/81,627 = 81,627/x
3. Step 3: Cross multiply
   52,570x = 81,627 × 81,627
4. Step 4: Simplify right side
   52,570x = 6,662,967,129
5. Step 5: Solve for x
   x = 6,662,967,129/52,570
6. Step 6: Final answer
   x = 126,744.67