Finding the Third Proportional to 64,766.25 and 140,602.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,766.25 : 140,602.50 = 140,602.50 : x
2. Step 2: Convert to fraction form
   64,766.25/140,602.50 = 140,602.50/x
3. Step 3: Cross multiply
   64,766.25x = 140,602.50 × 140,602.50
4. Step 4: Simplify right side
   64,766.25x = 19,769,063,006.25
5. Step 5: Solve for x
   x = 19,769,063,006.25/64,766.25
6. Step 6: Final answer
   x = 305,237.11