Finding the Third Proportional to 40,454 and 63,321

Step by Step Solution

1. Step 1: Write the proportion equation
   40,454 : 63,321 = 63,321 : x
2. Step 2: Convert to fraction form
   40,454/63,321 = 63,321/x
3. Step 3: Cross multiply
   40,454x = 63,321 × 63,321
4. Step 4: Simplify right side
   40,454x = 4,009,549,041
5. Step 5: Solve for x
   x = 4,009,549,041/40,454
6. Step 6: Final answer
   x = 99,113.78