Finding the Third Proportional to 3,123,725 and 4,718,870

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123,725 : 4,718,870 = 4,718,870 : x
2. Step 2: Convert to fraction form
   3,123,725/4,718,870 = 4,718,870/x
3. Step 3: Cross multiply
   3,123,725x = 4,718,870 × 4,718,870
4. Step 4: Simplify right side
   3,123,725x = 22,267,734,076,900
5. Step 5: Solve for x
   x = 22,267,734,076,900/3,123,725
6. Step 6: Final answer
   x = 7,128,583.37