Finding the Third Proportional to 143,730 and 302,353.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,730 : 302,353.50 = 302,353.50 : x
2. Step 2: Convert to fraction form
   143,730/302,353.50 = 302,353.50/x
3. Step 3: Cross multiply
   143,730x = 302,353.50 × 302,353.50
4. Step 4: Simplify right side
   143,730x = 91,417,638,962.25
5. Step 5: Solve for x
   x = 91,417,638,962.25/143,730
6. Step 6: Final answer
   x = 636,037.28