Finding the Third Proportional to 20,909.39 and 45,627.05

Step by Step Solution

1. Step 1: Write the proportion equation
   20,909.39 : 45,627.05 = 45,627.05 : x
2. Step 2: Convert to fraction form
   20,909.39/45,627.05 = 45,627.05/x
3. Step 3: Cross multiply
   20,909.39x = 45,627.05 × 45,627.05
4. Step 4: Simplify right side
   20,909.39x = 2,081,827,406.53
5. Step 5: Solve for x
   x = 2,081,827,406.53/20,909.39
6. Step 6: Final answer
   x = 99,564.23