Finding the Third Proportional to 485,520 and 1,059,978

Step by Step Solution

1. Step 1: Write the proportion equation
   485,520 : 1,059,978 = 1,059,978 : x
2. Step 2: Convert to fraction form
   485,520/1,059,978 = 1,059,978/x
3. Step 3: Cross multiply
   485,520x = 1,059,978 × 1,059,978
4. Step 4: Simplify right side
   485,520x = 1,123,553,360,484
5. Step 5: Solve for x
   x = 1,123,553,360,484/485,520
6. Step 6: Final answer
   x = 2,314,123.74