Finding the Third Proportional to 4,176,366 and 9,119,748

Step by Step Solution

1. Step 1: Write the proportion equation
   4,176,366 : 9,119,748 = 9,119,748 : x
2. Step 2: Convert to fraction form
   4,176,366/9,119,748 = 9,119,748/x
3. Step 3: Cross multiply
   4,176,366x = 9,119,748 × 9,119,748
4. Step 4: Simplify right side
   4,176,366x = 83,169,803,583,504
5. Step 5: Solve for x
   x = 83,169,803,583,504/4,176,366
6. Step 6: Final answer
   x = 19,914,395.33