Finding the Third Proportional to 142,498.41 and 304,907.63

Step by Step Solution

1. Step 1: Write the proportion equation
   142,498.41 : 304,907.63 = 304,907.63 : x
2. Step 2: Convert to fraction form
   142,498.41/304,907.63 = 304,907.63/x
3. Step 3: Cross multiply
   142,498.41x = 304,907.63 × 304,907.63
4. Step 4: Simplify right side
   142,498.41x = 92,968,659,783.14
5. Step 5: Solve for x
   x = 92,968,659,783.14/142,498.41
6. Step 6: Final answer
   x = 652,418.94