Finding the Third Proportional to 65,973.50 and 143,787.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,973.50 : 143,787.50 = 143,787.50 : x
2. Step 2: Convert to fraction form
   65,973.50/143,787.50 = 143,787.50/x
3. Step 3: Cross multiply
   65,973.50x = 143,787.50 × 143,787.50
4. Step 4: Simplify right side
   65,973.50x = 20,674,845,156.25
5. Step 5: Solve for x
   x = 20,674,845,156.25/65,973.50
6. Step 6: Final answer
   x = 313,381.06