Finding the Third Proportional to 2,156,901 and 3,300,797.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,901 : 3,300,797.50 = 3,300,797.50 : x
2. Step 2: Convert to fraction form
   2,156,901/3,300,797.50 = 3,300,797.50/x
3. Step 3: Cross multiply
   2,156,901x = 3,300,797.50 × 3,300,797.50
4. Step 4: Simplify right side
   2,156,901x = 10,895,264,136,006.25
5. Step 5: Solve for x
   x = 10,895,264,136,006.25/2,156,901
6. Step 6: Final answer
   x = 5,051,351.05