Finding the Third Proportional to 21,156.75 and 45,955.13

Step by Step Solution

1. Step 1: Write the proportion equation
   21,156.75 : 45,955.13 = 45,955.13 : x
2. Step 2: Convert to fraction form
   21,156.75/45,955.13 = 45,955.13/x
3. Step 3: Cross multiply
   21,156.75x = 45,955.13 × 45,955.13
4. Step 4: Simplify right side
   21,156.75x = 2,111,873,513.77
5. Step 5: Solve for x
   x = 2,111,873,513.77/21,156.75
6. Step 6: Final answer
   x = 99,820.32