Finding the Third Proportional to 146,145 and 219,237.75

Step by Step Solution

1. Step 1: Write the proportion equation
   146,145 : 219,237.75 = 219,237.75 : x
2. Step 2: Convert to fraction form
   146,145/219,237.75 = 219,237.75/x
3. Step 3: Cross multiply
   146,145x = 219,237.75 × 219,237.75
4. Step 4: Simplify right side
   146,145x = 48,065,191,025.06
5. Step 5: Solve for x
   x = 48,065,191,025.06/146,145
6. Step 6: Final answer
   x = 328,887.00