Finding the Third Proportional to 28,193.06 and 42,289.59

Step by Step Solution

1. Step 1: Write the proportion equation
   28,193.06 : 42,289.59 = 42,289.59 : x
2. Step 2: Convert to fraction form
   28,193.06/42,289.59 = 42,289.59/x
3. Step 3: Cross multiply
   28,193.06x = 42,289.59 × 42,289.59
4. Step 4: Simplify right side
   28,193.06x = 1,788,409,739.54
5. Step 5: Solve for x
   x = 1,788,409,739.54/28,193.06
6. Step 6: Final answer
   x = 63,434.39