Finding the Third Proportional to 53,451 and 112,909.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,451 : 112,909.50 = 112,909.50 : x
2. Step 2: Convert to fraction form
   53,451/112,909.50 = 112,909.50/x
3. Step 3: Cross multiply
   53,451x = 112,909.50 × 112,909.50
4. Step 4: Simplify right side
   53,451x = 12,748,555,190.25
5. Step 5: Solve for x
   x = 12,748,555,190.25/53,451
6. Step 6: Final answer
   x = 238,509.20