Finding the Third Proportional to 3,685,916.81 and 5,769,520.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685,916.81 : 5,769,520.31 = 5,769,520.31 : x
2. Step 2: Convert to fraction form
   3,685,916.81/5,769,520.31 = 5,769,520.31/x
3. Step 3: Cross multiply
   3,685,916.81x = 5,769,520.31 × 5,769,520.31
4. Step 4: Simplify right side
   3,685,916.81x = 33,287,364,636,350.10
5. Step 5: Solve for x
   x = 33,287,364,636,350.10/3,685,916.81
6. Step 6: Final answer
   x = 9,030,959.28