Finding the Third Proportional to 2,129,499 and 3,190,960.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,499 : 3,190,960.50 = 3,190,960.50 : x
2. Step 2: Convert to fraction form
   2,129,499/3,190,960.50 = 3,190,960.50/x
3. Step 3: Cross multiply
   2,129,499x = 3,190,960.50 × 3,190,960.50
4. Step 4: Simplify right side
   2,129,499x = 10,182,228,912,560.25
5. Step 5: Solve for x
   x = 10,182,228,912,560.25/2,129,499
6. Step 6: Final answer
   x = 4,781,513.83