Finding the Third Proportional to 49,829.63 and 67,129.88

Step by Step Solution

1. Step 1: Write the proportion equation
   49,829.63 : 67,129.88 = 67,129.88 : x
2. Step 2: Convert to fraction form
   49,829.63/67,129.88 = 67,129.88/x
3. Step 3: Cross multiply
   49,829.63x = 67,129.88 × 67,129.88
4. Step 4: Simplify right side
   49,829.63x = 4,506,420,117.52
5. Step 5: Solve for x
   x = 4,506,420,117.52/49,829.63
6. Step 6: Final answer
   x = 90,436.56