Finding the Third Proportional to 39,402 and 59,830.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,402 : 59,830.50 = 59,830.50 : x
2. Step 2: Convert to fraction form
   39,402/59,830.50 = 59,830.50/x
3. Step 3: Cross multiply
   39,402x = 59,830.50 × 59,830.50
4. Step 4: Simplify right side
   39,402x = 3,579,688,730.25
5. Step 5: Solve for x
   x = 3,579,688,730.25/39,402
6. Step 6: Final answer
   x = 90,850.43