Finding the Third Proportional to 57,152.63 and 85,725.94

Step by Step Solution

1. Step 1: Write the proportion equation
   57,152.63 : 85,725.94 = 85,725.94 : x
2. Step 2: Convert to fraction form
   57,152.63/85,725.94 = 85,725.94/x
3. Step 3: Cross multiply
   57,152.63x = 85,725.94 × 85,725.94
4. Step 4: Simplify right side
   57,152.63x = 7,348,936,360.25
5. Step 5: Solve for x
   x = 7,348,936,360.25/57,152.63
6. Step 6: Final answer
   x = 128,584.41