Finding the Third Proportional to 42,777 and 95,380.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,777 : 95,380.31 = 95,380.31 : x
2. Step 2: Convert to fraction form
   42,777/95,380.31 = 95,380.31/x
3. Step 3: Cross multiply
   42,777x = 95,380.31 × 95,380.31
4. Step 4: Simplify right side
   42,777x = 9,097,404,012.60
5. Step 5: Solve for x
   x = 9,097,404,012.60/42,777
6. Step 6: Final answer
   x = 212,670.45