Finding the Third Proportional to 639,469.69 and 1,367,547.05

Step by Step Solution

1. Step 1: Write the proportion equation
   639,469.69 : 1,367,547.05 = 1,367,547.05 : x
2. Step 2: Convert to fraction form
   639,469.69/1,367,547.05 = 1,367,547.05/x
3. Step 3: Cross multiply
   639,469.69x = 1,367,547.05 × 1,367,547.05
4. Step 4: Simplify right side
   639,469.69x = 1,870,184,925,416.53
5. Step 5: Solve for x
   x = 1,870,184,925,416.53/639,469.69
6. Step 6: Final answer
   x = 2,924,587.30