Finding the Third Proportional to 42,922.50 and 89,769

Step by Step Solution

1. Step 1: Write the proportion equation
   42,922.50 : 89,769 = 89,769 : x
2. Step 2: Convert to fraction form
   42,922.50/89,769 = 89,769/x
3. Step 3: Cross multiply
   42,922.50x = 89,769 × 89,769
4. Step 4: Simplify right side
   42,922.50x = 8,058,473,361
5. Step 5: Solve for x
   x = 8,058,473,361/42,922.50
6. Step 6: Final answer
   x = 187,744.73