Finding the Third Proportional to 42,702.75 and 64,191.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,702.75 : 64,191.38 = 64,191.38 : x
2. Step 2: Convert to fraction form
   42,702.75/64,191.38 = 64,191.38/x
3. Step 3: Cross multiply
   42,702.75x = 64,191.38 × 64,191.38
4. Step 4: Simplify right side
   42,702.75x = 4,120,532,624.39
5. Step 5: Solve for x
   x = 4,120,532,624.39/42,702.75
6. Step 6: Final answer
   x = 96,493.38