Finding the Third Proportional to 65,810.25 and 103,131

Step by Step Solution

1. Step 1: Write the proportion equation
   65,810.25 : 103,131 = 103,131 : x
2. Step 2: Convert to fraction form
   65,810.25/103,131 = 103,131/x
3. Step 3: Cross multiply
   65,810.25x = 103,131 × 103,131
4. Step 4: Simplify right side
   65,810.25x = 10,636,003,161
5. Step 5: Solve for x
   x = 10,636,003,161/65,810.25
6. Step 6: Final answer
   x = 161,616.21