Finding the Third Proportional to 46,883.81 and 99,918.56

Step by Step Solution

1. Step 1: Write the proportion equation
   46,883.81 : 99,918.56 = 99,918.56 : x
2. Step 2: Convert to fraction form
   46,883.81/99,918.56 = 99,918.56/x
3. Step 3: Cross multiply
   46,883.81x = 99,918.56 × 99,918.56
4. Step 4: Simplify right side
   46,883.81x = 9,983,719,132.07
5. Step 5: Solve for x
   x = 9,983,719,132.07/46,883.81
6. Step 6: Final answer
   x = 212,945.97