Finding the Third Proportional to 30,426.75 and 45,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,426.75 : 45,385.50 = 45,385.50 : x
2. Step 2: Convert to fraction form
   30,426.75/45,385.50 = 45,385.50/x
3. Step 3: Cross multiply
   30,426.75x = 45,385.50 × 45,385.50
4. Step 4: Simplify right side
   30,426.75x = 2,059,843,610.25
5. Step 5: Solve for x
   x = 2,059,843,610.25/30,426.75
6. Step 6: Final answer
   x = 67,698.44