Finding the Third Proportional to 63,432 and 137,801.25

Step by Step Solution

1. Step 1: Write the proportion equation
   63,432 : 137,801.25 = 137,801.25 : x
2. Step 2: Convert to fraction form
   63,432/137,801.25 = 137,801.25/x
3. Step 3: Cross multiply
   63,432x = 137,801.25 × 137,801.25
4. Step 4: Simplify right side
   63,432x = 18,989,184,501.56
5. Step 5: Solve for x
   x = 18,989,184,501.56/63,432
6. Step 6: Final answer
   x = 299,362.85