Finding the Third Proportional to 679,944.38 and 1,061,307.56

Step by Step Solution

1. Step 1: Write the proportion equation
   679,944.38 : 1,061,307.56 = 1,061,307.56 : x
2. Step 2: Convert to fraction form
   679,944.38/1,061,307.56 = 1,061,307.56/x
3. Step 3: Cross multiply
   679,944.38x = 1,061,307.56 × 1,061,307.56
4. Step 4: Simplify right side
   679,944.38x = 1,126,373,742,219.69
5. Step 5: Solve for x
   x = 1,126,373,742,219.69/679,944.38
6. Step 6: Final answer
   x = 1,656,567.48