Finding the Third Proportional to 28,454 and 42,773

Step by Step Solution

1. Step 1: Write the proportion equation
   28,454 : 42,773 = 42,773 : x
2. Step 2: Convert to fraction form
   28,454/42,773 = 42,773/x
3. Step 3: Cross multiply
   28,454x = 42,773 × 42,773
4. Step 4: Simplify right side
   28,454x = 1,829,529,529
5. Step 5: Solve for x
   x = 1,829,529,529/28,454
6. Step 6: Final answer
   x = 64,297.80