Finding the Third Proportional to 42,385 and 51,862

Step by Step Solution

1. Step 1: Write the proportion equation
   42,385 : 51,862 = 51,862 : x
2. Step 2: Convert to fraction form
   42,385/51,862 = 51,862/x
3. Step 3: Cross multiply
   42,385x = 51,862 × 51,862
4. Step 4: Simplify right side
   42,385x = 2,689,667,044
5. Step 5: Solve for x
   x = 2,689,667,044/42,385
6. Step 6: Final answer
   x = 63,457.99