Finding the Third Proportional to 60,494.63 and 138,852.56

Step by Step Solution

1. Step 1: Write the proportion equation
   60,494.63 : 138,852.56 = 138,852.56 : x
2. Step 2: Convert to fraction form
   60,494.63/138,852.56 = 138,852.56/x
3. Step 3: Cross multiply
   60,494.63x = 138,852.56 × 138,852.56
4. Step 4: Simplify right side
   60,494.63x = 19,280,034,112.82
5. Step 5: Solve for x
   x = 19,280,034,112.82/60,494.63
6. Step 6: Final answer
   x = 318,706.56