Finding the Third Proportional to 42,942.66 and 63,131.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,942.66 : 63,131.91 = 63,131.91 : x
2. Step 2: Convert to fraction form
   42,942.66/63,131.91 = 63,131.91/x
3. Step 3: Cross multiply
   42,942.66x = 63,131.91 × 63,131.91
4. Step 4: Simplify right side
   42,942.66x = 3,985,637,586.76
5. Step 5: Solve for x
   x = 3,985,637,586.76/42,942.66
6. Step 6: Final answer
   x = 92,813.02