Finding the Third Proportional to 45,810.75 and 99,455.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,810.75 : 99,455.25 = 99,455.25 : x
2. Step 2: Convert to fraction form
   45,810.75/99,455.25 = 99,455.25/x
3. Step 3: Cross multiply
   45,810.75x = 99,455.25 × 99,455.25
4. Step 4: Simplify right side
   45,810.75x = 9,891,346,752.56
5. Step 5: Solve for x
   x = 9,891,346,752.56/45,810.75
6. Step 6: Final answer
   x = 215,917.59