Finding the Third Proportional to 215,060 and 472,940

Step by Step Solution

1. Step 1: Write the proportion equation
   215,060 : 472,940 = 472,940 : x
2. Step 2: Convert to fraction form
   215,060/472,940 = 472,940/x
3. Step 3: Cross multiply
   215,060x = 472,940 × 472,940
4. Step 4: Simplify right side
   215,060x = 223,672,243,600
5. Step 5: Solve for x
   x = 223,672,243,600/215,060
6. Step 6: Final answer
   x = 1,040,045.77