Finding the Third Proportional to 3,742,284 and 7,875,780

Step by Step Solution

1. Step 1: Write the proportion equation
   3,742,284 : 7,875,780 = 7,875,780 : x
2. Step 2: Convert to fraction form
   3,742,284/7,875,780 = 7,875,780/x
3. Step 3: Cross multiply
   3,742,284x = 7,875,780 × 7,875,780
4. Step 4: Simplify right side
   3,742,284x = 62,027,910,608,400
5. Step 5: Solve for x
   x = 62,027,910,608,400/3,742,284
6. Step 6: Final answer
   x = 16,574,880.64