Finding the Third Proportional to 134,607.72 and 208,402.31

Step by Step Solution

1. Step 1: Write the proportion equation
   134,607.72 : 208,402.31 = 208,402.31 : x
2. Step 2: Convert to fraction form
   134,607.72/208,402.31 = 208,402.31/x
3. Step 3: Cross multiply
   134,607.72x = 208,402.31 × 208,402.31
4. Step 4: Simplify right side
   134,607.72x = 43,431,523,855.35
5. Step 5: Solve for x
   x = 43,431,523,855.35/134,607.72
6. Step 6: Final answer
   x = 322,652.55