Finding the Third Proportional to 30,699.75 and 45,860.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,699.75 : 45,860.06 = 45,860.06 : x
2. Step 2: Convert to fraction form
   30,699.75/45,860.06 = 45,860.06/x
3. Step 3: Cross multiply
   30,699.75x = 45,860.06 × 45,860.06
4. Step 4: Simplify right side
   30,699.75x = 2,103,145,332.50
5. Step 5: Solve for x
   x = 2,103,145,332.50/30,699.75
6. Step 6: Final answer
   x = 68,506.92