Finding the Third Proportional to 20,111.63 and 42,894.56

Step by Step Solution

1. Step 1: Write the proportion equation
   20,111.63 : 42,894.56 = 42,894.56 : x
2. Step 2: Convert to fraction form
   20,111.63/42,894.56 = 42,894.56/x
3. Step 3: Cross multiply
   20,111.63x = 42,894.56 × 42,894.56
4. Step 4: Simplify right side
   20,111.63x = 1,839,943,492.07
5. Step 5: Solve for x
   x = 1,839,943,492.07/20,111.63
6. Step 6: Final answer
   x = 91,486.57