Finding the Third Proportional to 705,460 and 1,080,978

Step by Step Solution

1. Step 1: Write the proportion equation
   705,460 : 1,080,978 = 1,080,978 : x
2. Step 2: Convert to fraction form
   705,460/1,080,978 = 1,080,978/x
3. Step 3: Cross multiply
   705,460x = 1,080,978 × 1,080,978
4. Step 4: Simplify right side
   705,460x = 1,168,513,436,484
5. Step 5: Solve for x
   x = 1,168,513,436,484/705,460
6. Step 6: Final answer
   x = 1,656,385.11