Finding the Third Proportional to 666,814.50 and 1,034,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   666,814.50 : 1,034,059.50 = 1,034,059.50 : x
2. Step 2: Convert to fraction form
   666,814.50/1,034,059.50 = 1,034,059.50/x
3. Step 3: Cross multiply
   666,814.50x = 1,034,059.50 × 1,034,059.50
4. Step 4: Simplify right side
   666,814.50x = 1,069,279,049,540.25
5. Step 5: Solve for x
   x = 1,069,279,049,540.25/666,814.50
6. Step 6: Final answer
   x = 1,603,562.98