Finding the Third Proportional to 141,732 and 219,442.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,732 : 219,442.50 = 219,442.50 : x
2. Step 2: Convert to fraction form
   141,732/219,442.50 = 219,442.50/x
3. Step 3: Cross multiply
   141,732x = 219,442.50 × 219,442.50
4. Step 4: Simplify right side
   141,732x = 48,155,010,806.25
5. Step 5: Solve for x
   x = 48,155,010,806.25/141,732
6. Step 6: Final answer
   x = 339,761.03