Finding the Third Proportional to 18,431.63 and 43,328.06

Step by Step Solution

1. Step 1: Write the proportion equation
   18,431.63 : 43,328.06 = 43,328.06 : x
2. Step 2: Convert to fraction form
   18,431.63/43,328.06 = 43,328.06/x
3. Step 3: Cross multiply
   18,431.63x = 43,328.06 × 43,328.06
4. Step 4: Simplify right side
   18,431.63x = 1,877,321,000.00
5. Step 5: Solve for x
   x = 1,877,321,000.00/18,431.63
6. Step 6: Final answer
   x = 101,853.25