Finding the Third Proportional to 42,548 and 63,405

Step by Step Solution

1. Step 1: Write the proportion equation
   42,548 : 63,405 = 63,405 : x
2. Step 2: Convert to fraction form
   42,548/63,405 = 63,405/x
3. Step 3: Cross multiply
   42,548x = 63,405 × 63,405
4. Step 4: Simplify right side
   42,548x = 4,020,194,025
5. Step 5: Solve for x
   x = 4,020,194,025/42,548
6. Step 6: Final answer
   x = 94,486.09