Finding the Third Proportional to 27,045 and 42,628.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,045 : 42,628.50 = 42,628.50 : x
2. Step 2: Convert to fraction form
   27,045/42,628.50 = 42,628.50/x
3. Step 3: Cross multiply
   27,045x = 42,628.50 × 42,628.50
4. Step 4: Simplify right side
   27,045x = 1,817,189,012.25
5. Step 5: Solve for x
   x = 1,817,189,012.25/27,045
6. Step 6: Final answer
   x = 67,191.31