Finding the Third Proportional to 116,970 and 253,378.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,970 : 253,378.50 = 253,378.50 : x
2. Step 2: Convert to fraction form
   116,970/253,378.50 = 253,378.50/x
3. Step 3: Cross multiply
   116,970x = 253,378.50 × 253,378.50
4. Step 4: Simplify right side
   116,970x = 64,200,664,262.25
5. Step 5: Solve for x
   x = 64,200,664,262.25/116,970
6. Step 6: Final answer
   x = 548,864.36