Finding the Third Proportional to 1,357,439.50 and 2,680,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357,439.50 : 2,680,616 = 2,680,616 : x
2. Step 2: Convert to fraction form
   1,357,439.50/2,680,616 = 2,680,616/x
3. Step 3: Cross multiply
   1,357,439.50x = 2,680,616 × 2,680,616
4. Step 4: Simplify right side
   1,357,439.50x = 7,185,702,139,456
5. Step 5: Solve for x
   x = 7,185,702,139,456/1,357,439.50
6. Step 6: Final answer
   x = 5,293,570.83