Finding the Third Proportional to 45,711 and 68,566.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,711 : 68,566.50 = 68,566.50 : x
2. Step 2: Convert to fraction form
   45,711/68,566.50 = 68,566.50/x
3. Step 3: Cross multiply
   45,711x = 68,566.50 × 68,566.50
4. Step 4: Simplify right side
   45,711x = 4,701,364,922.25
5. Step 5: Solve for x
   x = 4,701,364,922.25/45,711
6. Step 6: Final answer
   x = 102,849.75