Finding the Third Proportional to 20,918.88 and 45,528.33

Step by Step Solution

1. Step 1: Write the proportion equation
   20,918.88 : 45,528.33 = 45,528.33 : x
2. Step 2: Convert to fraction form
   20,918.88/45,528.33 = 45,528.33/x
3. Step 3: Cross multiply
   20,918.88x = 45,528.33 × 45,528.33
4. Step 4: Simplify right side
   20,918.88x = 2,072,828,661.86
5. Step 5: Solve for x
   x = 2,072,828,661.86/20,918.88
6. Step 6: Final answer
   x = 99,088.88