Finding the Third Proportional to 659,900.25 and 1,445,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   659,900.25 : 1,445,890.50 = 1,445,890.50 : x
2. Step 2: Convert to fraction form
   659,900.25/1,445,890.50 = 1,445,890.50/x
3. Step 3: Cross multiply
   659,900.25x = 1,445,890.50 × 1,445,890.50
4. Step 4: Simplify right side
   659,900.25x = 2,090,599,337,990.25
5. Step 5: Solve for x
   x = 2,090,599,337,990.25/659,900.25
6. Step 6: Final answer
   x = 3,168,053.56