Finding the Third Proportional to 4,056,984 and 8,790,476

Step by Step Solution

1. Step 1: Write the proportion equation
   4,056,984 : 8,790,476 = 8,790,476 : x
2. Step 2: Convert to fraction form
   4,056,984/8,790,476 = 8,790,476/x
3. Step 3: Cross multiply
   4,056,984x = 8,790,476 × 8,790,476
4. Step 4: Simplify right side
   4,056,984x = 77,272,468,306,576
5. Step 5: Solve for x
   x = 77,272,468,306,576/4,056,984
6. Step 6: Final answer
   x = 19,046,776.70