Finding the Third Proportional to 29,426.25 and 64,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,426.25 : 64,789.50 = 64,789.50 : x
2. Step 2: Convert to fraction form
   29,426.25/64,789.50 = 64,789.50/x
3. Step 3: Cross multiply
   29,426.25x = 64,789.50 × 64,789.50
4. Step 4: Simplify right side
   29,426.25x = 4,197,679,310.25
5. Step 5: Solve for x
   x = 4,197,679,310.25/29,426.25
6. Step 6: Final answer
   x = 142,650.84