Finding the Third Proportional to 1,300,299 and 1,725,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,299 : 1,725,358.50 = 1,725,358.50 : x
2. Step 2: Convert to fraction form
   1,300,299/1,725,358.50 = 1,725,358.50/x
3. Step 3: Cross multiply
   1,300,299x = 1,725,358.50 × 1,725,358.50
4. Step 4: Simplify right side
   1,300,299x = 2,976,861,953,522.25
5. Step 5: Solve for x
   x = 2,976,861,953,522.25/1,300,299
6. Step 6: Final answer
   x = 2,289,367.26