Finding the Third Proportional to 21,011.63 and 43,970.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,011.63 : 43,970.63 = 43,970.63 : x
2. Step 2: Convert to fraction form
   21,011.63/43,970.63 = 43,970.63/x
3. Step 3: Cross multiply
   21,011.63x = 43,970.63 × 43,970.63
4. Step 4: Simplify right side
   21,011.63x = 1,933,415,862.89
5. Step 5: Solve for x
   x = 1,933,415,862.89/21,011.63
6. Step 6: Final answer
   x = 92,016.48