Finding the Third Proportional to 39,071.25 and 84,075.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,071.25 : 84,075.75 = 84,075.75 : x
2. Step 2: Convert to fraction form
   39,071.25/84,075.75 = 84,075.75/x
3. Step 3: Cross multiply
   39,071.25x = 84,075.75 × 84,075.75
4. Step 4: Simplify right side
   39,071.25x = 7,068,731,738.06
5. Step 5: Solve for x
   x = 7,068,731,738.06/39,071.25
6. Step 6: Final answer
   x = 180,919.01