Finding the Third Proportional to 67,415.63 and 105,748.88

Step by Step Solution

1. Step 1: Write the proportion equation
   67,415.63 : 105,748.88 = 105,748.88 : x
2. Step 2: Convert to fraction form
   67,415.63/105,748.88 = 105,748.88/x
3. Step 3: Cross multiply
   67,415.63x = 105,748.88 × 105,748.88
4. Step 4: Simplify right side
   67,415.63x = 11,182,824,563.77
5. Step 5: Solve for x
   x = 11,182,824,563.77/67,415.63
6. Step 6: Final answer
   x = 165,878.82