Finding the Third Proportional to 60,405.75 and 136,476.56

Step by Step Solution

1. Step 1: Write the proportion equation
   60,405.75 : 136,476.56 = 136,476.56 : x
2. Step 2: Convert to fraction form
   60,405.75/136,476.56 = 136,476.56/x
3. Step 3: Cross multiply
   60,405.75x = 136,476.56 × 136,476.56
4. Step 4: Simplify right side
   60,405.75x = 18,625,852,111.82
5. Step 5: Solve for x
   x = 18,625,852,111.82/60,405.75
6. Step 6: Final answer
   x = 308,345.68