Finding the Third Proportional to 19,430.81 and 30,005.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,430.81 : 30,005.06 = 30,005.06 : x
2. Step 2: Convert to fraction form
   19,430.81/30,005.06 = 30,005.06/x
3. Step 3: Cross multiply
   19,430.81x = 30,005.06 × 30,005.06
4. Step 4: Simplify right side
   19,430.81x = 900,303,775.63
5. Step 5: Solve for x
   x = 900,303,775.63/19,430.81
6. Step 6: Final answer
   x = 46,333.82