Finding the Third Proportional to 1,276,590 and 1,976,599.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276,590 : 1,976,599.50 = 1,976,599.50 : x
2. Step 2: Convert to fraction form
   1,276,590/1,976,599.50 = 1,976,599.50/x
3. Step 3: Cross multiply
   1,276,590x = 1,976,599.50 × 1,976,599.50
4. Step 4: Simplify right side
   1,276,590x = 3,906,945,583,400.25
5. Step 5: Solve for x
   x = 3,906,945,583,400.25/1,276,590
6. Step 6: Final answer
   x = 3,060,454.48