Finding the Third Proportional to 131,607 and 211,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,607 : 211,945.50 = 211,945.50 : x
2. Step 2: Convert to fraction form
   131,607/211,945.50 = 211,945.50/x
3. Step 3: Cross multiply
   131,607x = 211,945.50 × 211,945.50
4. Step 4: Simplify right side
   131,607x = 44,920,894,970.25
5. Step 5: Solve for x
   x = 44,920,894,970.25/131,607
6. Step 6: Final answer
   x = 341,326.03