Finding the Third Proportional to 2,643,650 and 4,201,677

Step by Step Solution

1. Step 1: Write the proportion equation
   2,643,650 : 4,201,677 = 4,201,677 : x
2. Step 2: Convert to fraction form
   2,643,650/4,201,677 = 4,201,677/x
3. Step 3: Cross multiply
   2,643,650x = 4,201,677 × 4,201,677
4. Step 4: Simplify right side
   2,643,650x = 17,654,089,612,329
5. Step 5: Solve for x
   x = 17,654,089,612,329/2,643,650
6. Step 6: Final answer
   x = 6,677,922.42