Finding the Third Proportional to 19,825.63 and 28,947.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,825.63 : 28,947.13 = 28,947.13 : x
2. Step 2: Convert to fraction form
   19,825.63/28,947.13 = 28,947.13/x
3. Step 3: Cross multiply
   19,825.63x = 28,947.13 × 28,947.13
4. Step 4: Simplify right side
   19,825.63x = 837,936,045.77
5. Step 5: Solve for x
   x = 837,936,045.77/19,825.63
6. Step 6: Final answer
   x = 42,265.30