Finding the Third Proportional to 2,684,139 and 4,065,300

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684,139 : 4,065,300 = 4,065,300 : x
2. Step 2: Convert to fraction form
   2,684,139/4,065,300 = 4,065,300/x
3. Step 3: Cross multiply
   2,684,139x = 4,065,300 × 4,065,300
4. Step 4: Simplify right side
   2,684,139x = 16,526,664,090,000
5. Step 5: Solve for x
   x = 16,526,664,090,000/2,684,139
6. Step 6: Final answer
   x = 6,157,156.57