Finding the Third Proportional to 35,121 and 53,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,121 : 53,404.50 = 53,404.50 : x
2. Step 2: Convert to fraction form
   35,121/53,404.50 = 53,404.50/x
3. Step 3: Cross multiply
   35,121x = 53,404.50 × 53,404.50
4. Step 4: Simplify right side
   35,121x = 2,852,040,620.25
5. Step 5: Solve for x
   x = 2,852,040,620.25/35,121
6. Step 6: Final answer
   x = 81,206.13