Finding the Third Proportional to 710,940 and 1,539,978

Step by Step Solution

1. Step 1: Write the proportion equation
   710,940 : 1,539,978 = 1,539,978 : x
2. Step 2: Convert to fraction form
   710,940/1,539,978 = 1,539,978/x
3. Step 3: Cross multiply
   710,940x = 1,539,978 × 1,539,978
4. Step 4: Simplify right side
   710,940x = 2,371,532,240,484
5. Step 5: Solve for x
   x = 2,371,532,240,484/710,940
6. Step 6: Final answer
   x = 3,335,769.88