Finding the Third Proportional to 30,699 and 46,453.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,699 : 46,453.50 = 46,453.50 : x
2. Step 2: Convert to fraction form
   30,699/46,453.50 = 46,453.50/x
3. Step 3: Cross multiply
   30,699x = 46,453.50 × 46,453.50
4. Step 4: Simplify right side
   30,699x = 2,157,927,662.25
5. Step 5: Solve for x
   x = 2,157,927,662.25/30,699
6. Step 6: Final answer
   x = 70,293.09