Finding the Third Proportional to 1,438,915.50 and 2,078,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,915.50 : 2,078,812.50 = 2,078,812.50 : x
2. Step 2: Convert to fraction form
   1,438,915.50/2,078,812.50 = 2,078,812.50/x
3. Step 3: Cross multiply
   1,438,915.50x = 2,078,812.50 × 2,078,812.50
4. Step 4: Simplify right side
   1,438,915.50x = 4,321,461,410,156.25
5. Step 5: Solve for x
   x = 4,321,461,410,156.25/1,438,915.50
6. Step 6: Final answer
   x = 3,003,276.71