Finding the Third Proportional to 345,969 and 750,978

Step by Step Solution

1. Step 1: Write the proportion equation
   345,969 : 750,978 = 750,978 : x
2. Step 2: Convert to fraction form
   345,969/750,978 = 750,978/x
3. Step 3: Cross multiply
   345,969x = 750,978 × 750,978
4. Step 4: Simplify right side
   345,969x = 563,967,956,484
5. Step 5: Solve for x
   x = 563,967,956,484/345,969
6. Step 6: Final answer
   x = 1,630,111.24