Finding the Third Proportional to 3,781,278 and 5,812,072

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781,278 : 5,812,072 = 5,812,072 : x
2. Step 2: Convert to fraction form
   3,781,278/5,812,072 = 5,812,072/x
3. Step 3: Cross multiply
   3,781,278x = 5,812,072 × 5,812,072
4. Step 4: Simplify right side
   3,781,278x = 33,780,180,933,184
5. Step 5: Solve for x
   x = 33,780,180,933,184/3,781,278
6. Step 6: Final answer
   x = 8,933,535.42