Finding the Third Proportional to 53,621.25 and 105,895.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,621.25 : 105,895.50 = 105,895.50 : x
2. Step 2: Convert to fraction form
   53,621.25/105,895.50 = 105,895.50/x
3. Step 3: Cross multiply
   53,621.25x = 105,895.50 × 105,895.50
4. Step 4: Simplify right side
   53,621.25x = 11,213,856,920.25
5. Step 5: Solve for x
   x = 11,213,856,920.25/53,621.25
6. Step 6: Final answer
   x = 209,130.84