Finding the Third Proportional to 2,144,889 and 3,145,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,889 : 3,145,162.50 = 3,145,162.50 : x
2. Step 2: Convert to fraction form
   2,144,889/3,145,162.50 = 3,145,162.50/x
3. Step 3: Cross multiply
   2,144,889x = 3,145,162.50 × 3,145,162.50
4. Step 4: Simplify right side
   2,144,889x = 9,892,047,151,406.25
5. Step 5: Solve for x
   x = 9,892,047,151,406.25/2,144,889
6. Step 6: Final answer
   x = 4,611,915.65