Finding the Third Proportional to 63,412 and 85,030

Step by Step Solution

1. Step 1: Write the proportion equation
   63,412 : 85,030 = 85,030 : x
2. Step 2: Convert to fraction form
   63,412/85,030 = 85,030/x
3. Step 3: Cross multiply
   63,412x = 85,030 × 85,030
4. Step 4: Simplify right side
   63,412x = 7,230,100,900
5. Step 5: Solve for x
   x = 7,230,100,900/63,412
6. Step 6: Final answer
   x = 114,017.87