Finding the Third Proportional to 61,451.75 and 84,100.75

Step by Step Solution

1. Step 1: Write the proportion equation
   61,451.75 : 84,100.75 = 84,100.75 : x
2. Step 2: Convert to fraction form
   61,451.75/84,100.75 = 84,100.75/x
3. Step 3: Cross multiply
   61,451.75x = 84,100.75 × 84,100.75
4. Step 4: Simplify right side
   61,451.75x = 7,072,936,150.56
5. Step 5: Solve for x
   x = 7,072,936,150.56/61,451.75
6. Step 6: Final answer
   x = 115,097.39