Finding the Third Proportional to 91,650 and 136,777.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,650 : 136,777.50 = 136,777.50 : x
2. Step 2: Convert to fraction form
   91,650/136,777.50 = 136,777.50/x
3. Step 3: Cross multiply
   91,650x = 136,777.50 × 136,777.50
4. Step 4: Simplify right side
   91,650x = 18,708,084,506.25
5. Step 5: Solve for x
   x = 18,708,084,506.25/91,650
6. Step 6: Final answer
   x = 204,125.31