Finding the Third Proportional to 98,662.69 and 213,112.69

Step by Step Solution

1. Step 1: Write the proportion equation
   98,662.69 : 213,112.69 = 213,112.69 : x
2. Step 2: Convert to fraction form
   98,662.69/213,112.69 = 213,112.69/x
3. Step 3: Cross multiply
   98,662.69x = 213,112.69 × 213,112.69
4. Step 4: Simplify right side
   98,662.69x = 45,417,017,573.47
5. Step 5: Solve for x
   x = 45,417,017,573.47/98,662.69
6. Step 6: Final answer
   x = 460,326.18