Finding the Third Proportional to 1,685,158.50 and 3,685,590

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685,158.50 : 3,685,590 = 3,685,590 : x
2. Step 2: Convert to fraction form
   1,685,158.50/3,685,590 = 3,685,590/x
3. Step 3: Cross multiply
   1,685,158.50x = 3,685,590 × 3,685,590
4. Step 4: Simplify right side
   1,685,158.50x = 13,583,573,648,100
5. Step 5: Solve for x
   x = 13,583,573,648,100/1,685,158.50
6. Step 6: Final answer
   x = 8,060,709.81