Finding the Third Proportional to 46,699 and 99,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,699 : 99,958.50 = 99,958.50 : x
2. Step 2: Convert to fraction form
   46,699/99,958.50 = 99,958.50/x
3. Step 3: Cross multiply
   46,699x = 99,958.50 × 99,958.50
4. Step 4: Simplify right side
   46,699x = 9,991,701,722.25
5. Step 5: Solve for x
   x = 9,991,701,722.25/46,699
6. Step 6: Final answer
   x = 213,959.65