Finding the Third Proportional to 42,465 and 63,687

Step by Step Solution

1. Step 1: Write the proportion equation
   42,465 : 63,687 = 63,687 : x
2. Step 2: Convert to fraction form
   42,465/63,687 = 63,687/x
3. Step 3: Cross multiply
   42,465x = 63,687 × 63,687
4. Step 4: Simplify right side
   42,465x = 4,056,033,969
5. Step 5: Solve for x
   x = 4,056,033,969/42,465
6. Step 6: Final answer
   x = 95,514.75