Finding the Third Proportional to 736,830 and 1,107,978

Step by Step Solution

1. Step 1: Write the proportion equation
   736,830 : 1,107,978 = 1,107,978 : x
2. Step 2: Convert to fraction form
   736,830/1,107,978 = 1,107,978/x
3. Step 3: Cross multiply
   736,830x = 1,107,978 × 1,107,978
4. Step 4: Simplify right side
   736,830x = 1,227,615,248,484
5. Step 5: Solve for x
   x = 1,227,615,248,484/736,830
6. Step 6: Final answer
   x = 1,666,076.64