Finding the Third Proportional to 1,709,878 and 2,668,335

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709,878 : 2,668,335 = 2,668,335 : x
2. Step 2: Convert to fraction form
   1,709,878/2,668,335 = 2,668,335/x
3. Step 3: Cross multiply
   1,709,878x = 2,668,335 × 2,668,335
4. Step 4: Simplify right side
   1,709,878x = 7,120,011,672,225
5. Step 5: Solve for x
   x = 7,120,011,672,225/1,709,878
6. Step 6: Final answer
   x = 4,164,046.60