Finding the Third Proportional to 45,441 and 99,031.78

Step by Step Solution

1. Step 1: Write the proportion equation
   45,441 : 99,031.78 = 99,031.78 : x
2. Step 2: Convert to fraction form
   45,441/99,031.78 = 99,031.78/x
3. Step 3: Cross multiply
   45,441x = 99,031.78 × 99,031.78
4. Step 4: Simplify right side
   45,441x = 9,807,293,697.55
5. Step 5: Solve for x
   x = 9,807,293,697.55/45,441
6. Step 6: Final answer
   x = 215,824.78