Finding the Third Proportional to 42,285 and 63,289.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,285 : 63,289.50 = 63,289.50 : x
2. Step 2: Convert to fraction form
   42,285/63,289.50 = 63,289.50/x
3. Step 3: Cross multiply
   42,285x = 63,289.50 × 63,289.50
4. Step 4: Simplify right side
   42,285x = 4,005,560,810.25
5. Step 5: Solve for x
   x = 4,005,560,810.25/42,285
6. Step 6: Final answer
   x = 94,727.70