Finding the Third Proportional to 142,491 and 304,051.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,491 : 304,051.50 = 304,051.50 : x
2. Step 2: Convert to fraction form
   142,491/304,051.50 = 304,051.50/x
3. Step 3: Cross multiply
   142,491x = 304,051.50 × 304,051.50
4. Step 4: Simplify right side
   142,491x = 92,447,314,652.25
5. Step 5: Solve for x
   x = 92,447,314,652.25/142,491
6. Step 6: Final answer
   x = 648,794.06