Finding the Third Proportional to 123,045 and 189,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,045 : 189,760.50 = 189,760.50 : x
2. Step 2: Convert to fraction form
   123,045/189,760.50 = 189,760.50/x
3. Step 3: Cross multiply
   123,045x = 189,760.50 × 189,760.50
4. Step 4: Simplify right side
   123,045x = 36,009,047,360.25
5. Step 5: Solve for x
   x = 36,009,047,360.25/123,045
6. Step 6: Final answer
   x = 292,649.42