Finding the Third Proportional to 65,730 and 143,898.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,730 : 143,898.50 = 143,898.50 : x
2. Step 2: Convert to fraction form
   65,730/143,898.50 = 143,898.50/x
3. Step 3: Cross multiply
   65,730x = 143,898.50 × 143,898.50
4. Step 4: Simplify right side
   65,730x = 20,706,778,302.25
5. Step 5: Solve for x
   x = 20,706,778,302.25/65,730
6. Step 6: Final answer
   x = 315,027.82