Finding the Third Proportional to 19,428.19 and 43,259.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,428.19 : 43,259.06 = 43,259.06 : x
2. Step 2: Convert to fraction form
   19,428.19/43,259.06 = 43,259.06/x
3. Step 3: Cross multiply
   19,428.19x = 43,259.06 × 43,259.06
4. Step 4: Simplify right side
   19,428.19x = 1,871,346,488.38
5. Step 5: Solve for x
   x = 1,871,346,488.38/19,428.19
6. Step 6: Final answer
   x = 96,321.21