Finding the Third Proportional to 664,426.55 and 1,030,779.42

Step by Step Solution

1. Step 1: Write the proportion equation
   664,426.55 : 1,030,779.42 = 1,030,779.42 : x
2. Step 2: Convert to fraction form
   664,426.55/1,030,779.42 = 1,030,779.42/x
3. Step 3: Cross multiply
   664,426.55x = 1,030,779.42 × 1,030,779.42
4. Step 4: Simplify right side
   664,426.55x = 1,062,506,216,560.96
5. Step 5: Solve for x
   x = 1,062,506,216,560.96/664,426.55
6. Step 6: Final answer
   x = 1,599,132.70