Finding the Third Proportional to 39,684 and 52,903.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,684 : 52,903.50 = 52,903.50 : x
2. Step 2: Convert to fraction form
   39,684/52,903.50 = 52,903.50/x
3. Step 3: Cross multiply
   39,684x = 52,903.50 × 52,903.50
4. Step 4: Simplify right side
   39,684x = 2,798,780,312.25
5. Step 5: Solve for x
   x = 2,798,780,312.25/39,684
6. Step 6: Final answer
   x = 70,526.67