Finding the Third Proportional to 415,481.50 and 918,153

Step by Step Solution

1. Step 1: Write the proportion equation
   415,481.50 : 918,153 = 918,153 : x
2. Step 2: Convert to fraction form
   415,481.50/918,153 = 918,153/x
3. Step 3: Cross multiply
   415,481.50x = 918,153 × 918,153
4. Step 4: Simplify right side
   415,481.50x = 843,004,931,409
5. Step 5: Solve for x
   x = 843,004,931,409/415,481.50
6. Step 6: Final answer
   x = 2,028,983.07