Finding the Third Proportional to 28,412 and 45,388

Step by Step Solution

1. Step 1: Write the proportion equation
   28,412 : 45,388 = 45,388 : x
2. Step 2: Convert to fraction form
   28,412/45,388 = 45,388/x
3. Step 3: Cross multiply
   28,412x = 45,388 × 45,388
4. Step 4: Simplify right side
   28,412x = 2,060,070,544
5. Step 5: Solve for x
   x = 2,060,070,544/28,412
6. Step 6: Final answer
   x = 72,507.06