Finding the Third Proportional to 68,052 and 145,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,052 : 145,945.50 = 145,945.50 : x
2. Step 2: Convert to fraction form
   68,052/145,945.50 = 145,945.50/x
3. Step 3: Cross multiply
   68,052x = 145,945.50 × 145,945.50
4. Step 4: Simplify right side
   68,052x = 21,300,088,970.25
5. Step 5: Solve for x
   x = 21,300,088,970.25/68,052
6. Step 6: Final answer
   x = 312,997.25