Finding the Third Proportional to 140,557.50 and 302,607

Step by Step Solution

1. Step 1: Write the proportion equation
   140,557.50 : 302,607 = 302,607 : x
2. Step 2: Convert to fraction form
   140,557.50/302,607 = 302,607/x
3. Step 3: Cross multiply
   140,557.50x = 302,607 × 302,607
4. Step 4: Simplify right side
   140,557.50x = 91,570,996,449
5. Step 5: Solve for x
   x = 91,570,996,449/140,557.50
6. Step 6: Final answer
   x = 651,484.24