Finding the Third Proportional to 30,724 and 45,892

Step by Step Solution

1. Step 1: Write the proportion equation
   30,724 : 45,892 = 45,892 : x
2. Step 2: Convert to fraction form
   30,724/45,892 = 45,892/x
3. Step 3: Cross multiply
   30,724x = 45,892 × 45,892
4. Step 4: Simplify right side
   30,724x = 2,106,075,664
5. Step 5: Solve for x
   x = 2,106,075,664/30,724
6. Step 6: Final answer
   x = 68,548.22