Finding the Third Proportional to 3,947,763 and 5,784,769.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,947,763 : 5,784,769.50 = 5,784,769.50 : x
2. Step 2: Convert to fraction form
   3,947,763/5,784,769.50 = 5,784,769.50/x
3. Step 3: Cross multiply
   3,947,763x = 5,784,769.50 × 5,784,769.50
4. Step 4: Simplify right side
   3,947,763x = 33,463,558,168,130.25
5. Step 5: Solve for x
   x = 33,463,558,168,130.25/3,947,763
6. Step 6: Final answer
   x = 8,476,587.42