Finding the Third Proportional to 28,991.04 and 42,447.16

Step by Step Solution

1. Step 1: Write the proportion equation
   28,991.04 : 42,447.16 = 42,447.16 : x
2. Step 2: Convert to fraction form
   28,991.04/42,447.16 = 42,447.16/x
3. Step 3: Cross multiply
   28,991.04x = 42,447.16 × 42,447.16
4. Step 4: Simplify right side
   28,991.04x = 1,801,761,736.95
5. Step 5: Solve for x
   x = 1,801,761,736.95/28,991.04
6. Step 6: Final answer
   x = 62,148.92