Finding the Third Proportional to 1,308,874.50 and 2,736,328.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308,874.50 : 2,736,328.50 = 2,736,328.50 : x
2. Step 2: Convert to fraction form
   1,308,874.50/2,736,328.50 = 2,736,328.50/x
3. Step 3: Cross multiply
   1,308,874.50x = 2,736,328.50 × 2,736,328.50
4. Step 4: Simplify right side
   1,308,874.50x = 7,487,493,659,912.25
5. Step 5: Solve for x
   x = 7,487,493,659,912.25/1,308,874.50
6. Step 6: Final answer
   x = 5,720,558.89