Finding the Third Proportional to 3,872,200 and 5,808,300

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872,200 : 5,808,300 = 5,808,300 : x
2. Step 2: Convert to fraction form
   3,872,200/5,808,300 = 5,808,300/x
3. Step 3: Cross multiply
   3,872,200x = 5,808,300 × 5,808,300
4. Step 4: Simplify right side
   3,872,200x = 33,736,348,890,000
5. Step 5: Solve for x
   x = 33,736,348,890,000/3,872,200
6. Step 6: Final answer
   x = 8,712,450