Finding the Third Proportional to 27,421 and 59,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,421 : 59,877.50 = 59,877.50 : x
2. Step 2: Convert to fraction form
   27,421/59,877.50 = 59,877.50/x
3. Step 3: Cross multiply
   27,421x = 59,877.50 × 59,877.50
4. Step 4: Simplify right side
   27,421x = 3,585,315,006.25
5. Step 5: Solve for x
   x = 3,585,315,006.25/27,421
6. Step 6: Final answer
   x = 130,750.70