Finding the Third Proportional to 5,639,048 and 8,460,300

Step by Step Solution

1. Step 1: Write the proportion equation
   5,639,048 : 8,460,300 = 8,460,300 : x
2. Step 2: Convert to fraction form
   5,639,048/8,460,300 = 8,460,300/x
3. Step 3: Cross multiply
   5,639,048x = 8,460,300 × 8,460,300
4. Step 4: Simplify right side
   5,639,048x = 71,576,676,090,000
5. Step 5: Solve for x
   x = 71,576,676,090,000/5,639,048
6. Step 6: Final answer
   x = 12,693,042.53