Finding the Third Proportional to 53,899.63 and 113,385

Step by Step Solution

1. Step 1: Write the proportion equation
   53,899.63 : 113,385 = 113,385 : x
2. Step 2: Convert to fraction form
   53,899.63/113,385 = 113,385/x
3. Step 3: Cross multiply
   53,899.63x = 113,385 × 113,385
4. Step 4: Simplify right side
   53,899.63x = 12,856,158,225
5. Step 5: Solve for x
   x = 12,856,158,225/53,899.63
6. Step 6: Final answer
   x = 238,520.36