Finding the Third Proportional to 28,409.91 and 42,065.16

Step by Step Solution

1. Step 1: Write the proportion equation
   28,409.91 : 42,065.16 = 42,065.16 : x
2. Step 2: Convert to fraction form
   28,409.91/42,065.16 = 42,065.16/x
3. Step 3: Cross multiply
   28,409.91x = 42,065.16 × 42,065.16
4. Step 4: Simplify right side
   28,409.91x = 1,769,477,370.34
5. Step 5: Solve for x
   x = 1,769,477,370.34/28,409.91
6. Step 6: Final answer
   x = 62,283.82