Finding the Third Proportional to 49,666 and 63,769

Step by Step Solution

1. Step 1: Write the proportion equation
   49,666 : 63,769 = 63,769 : x
2. Step 2: Convert to fraction form
   49,666/63,769 = 63,769/x
3. Step 3: Cross multiply
   49,666x = 63,769 × 63,769
4. Step 4: Simplify right side
   49,666x = 4,066,485,361
5. Step 5: Solve for x
   x = 4,066,485,361/49,666
6. Step 6: Final answer
   x = 81,876.64