Finding the Third Proportional to 45,686.63 and 68,529.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,686.63 : 68,529.75 = 68,529.75 : x
2. Step 2: Convert to fraction form
   45,686.63/68,529.75 = 68,529.75/x
3. Step 3: Cross multiply
   45,686.63x = 68,529.75 × 68,529.75
4. Step 4: Simplify right side
   45,686.63x = 4,696,326,635.06
5. Step 5: Solve for x
   x = 4,696,326,635.06/45,686.63
6. Step 6: Final answer
   x = 102,794.34