Finding the Third Proportional to 48,421 and 71,154.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,421 : 71,154.50 = 71,154.50 : x
2. Step 2: Convert to fraction form
   48,421/71,154.50 = 71,154.50/x
3. Step 3: Cross multiply
   48,421x = 71,154.50 × 71,154.50
4. Step 4: Simplify right side
   48,421x = 5,062,962,870.25
5. Step 5: Solve for x
   x = 5,062,962,870.25/48,421
6. Step 6: Final answer
   x = 104,561.30