Finding the Third Proportional to 69,476.25 and 149,669.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,476.25 : 149,669.25 = 149,669.25 : x
2. Step 2: Convert to fraction form
   69,476.25/149,669.25 = 149,669.25/x
3. Step 3: Cross multiply
   69,476.25x = 149,669.25 × 149,669.25
4. Step 4: Simplify right side
   69,476.25x = 22,400,884,395.56
5. Step 5: Solve for x
   x = 22,400,884,395.56/69,476.25
6. Step 6: Final answer
   x = 322,425.06