Finding the Third Proportional to 65,903 and 102,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,903 : 102,131.50 = 102,131.50 : x
2. Step 2: Convert to fraction form
   65,903/102,131.50 = 102,131.50/x
3. Step 3: Cross multiply
   65,903x = 102,131.50 × 102,131.50
4. Step 4: Simplify right side
   65,903x = 10,430,843,292.25
5. Step 5: Solve for x
   x = 10,430,843,292.25/65,903
6. Step 6: Final answer
   x = 158,275.70