Finding the Third Proportional to 28,851.19 and 45,646.31

Step by Step Solution

1. Step 1: Write the proportion equation
   28,851.19 : 45,646.31 = 45,646.31 : x
2. Step 2: Convert to fraction form
   28,851.19/45,646.31 = 45,646.31/x
3. Step 3: Cross multiply
   28,851.19x = 45,646.31 × 45,646.31
4. Step 4: Simplify right side
   28,851.19x = 2,083,585,844.85
5. Step 5: Solve for x
   x = 2,083,585,844.85/28,851.19
6. Step 6: Final answer
   x = 72,218.37