Finding the Third Proportional to 35,685.75 and 53,320.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,685.75 : 53,320.50 = 53,320.50 : x
2. Step 2: Convert to fraction form
   35,685.75/53,320.50 = 53,320.50/x
3. Step 3: Cross multiply
   35,685.75x = 53,320.50 × 53,320.50
4. Step 4: Simplify right side
   35,685.75x = 2,843,075,720.25
5. Step 5: Solve for x
   x = 2,843,075,720.25/35,685.75
6. Step 6: Final answer
   x = 79,669.78