Finding the Third Proportional to 141,807 and 219,548.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,807 : 219,548.50 = 219,548.50 : x
2. Step 2: Convert to fraction form
   141,807/219,548.50 = 219,548.50/x
3. Step 3: Cross multiply
   141,807x = 219,548.50 × 219,548.50
4. Step 4: Simplify right side
   141,807x = 48,201,543,852.25
5. Step 5: Solve for x
   x = 48,201,543,852.25/141,807
6. Step 6: Final answer
   x = 339,909.48