Finding the Third Proportional to 183,315 and 276,141.75

Step by Step Solution

1. Step 1: Write the proportion equation
   183,315 : 276,141.75 = 276,141.75 : x
2. Step 2: Convert to fraction form
   183,315/276,141.75 = 276,141.75/x
3. Step 3: Cross multiply
   183,315x = 276,141.75 × 276,141.75
4. Step 4: Simplify right side
   183,315x = 76,254,266,093.06
5. Step 5: Solve for x
   x = 76,254,266,093.06/183,315
6. Step 6: Final answer
   x = 415,973.96