Finding the Third Proportional to 28,142 and 61,898

Step by Step Solution

1. Step 1: Write the proportion equation
   28,142 : 61,898 = 61,898 : x
2. Step 2: Convert to fraction form
   28,142/61,898 = 61,898/x
3. Step 3: Cross multiply
   28,142x = 61,898 × 61,898
4. Step 4: Simplify right side
   28,142x = 3,831,362,404
5. Step 5: Solve for x
   x = 3,831,362,404/28,142
6. Step 6: Final answer
   x = 136,143.93