Finding the Third Proportional to 35,570 and 51,890

Step by Step Solution

1. Step 1: Write the proportion equation
   35,570 : 51,890 = 51,890 : x
2. Step 2: Convert to fraction form
   35,570/51,890 = 51,890/x
3. Step 3: Cross multiply
   35,570x = 51,890 × 51,890
4. Step 4: Simplify right side
   35,570x = 2,692,572,100
5. Step 5: Solve for x
   x = 2,692,572,100/35,570
6. Step 6: Final answer
   x = 75,697.84