Finding the Third Proportional to 1,239,520 and 1,915,332

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,520 : 1,915,332 = 1,915,332 : x
2. Step 2: Convert to fraction form
   1,239,520/1,915,332 = 1,915,332/x
3. Step 3: Cross multiply
   1,239,520x = 1,915,332 × 1,915,332
4. Step 4: Simplify right side
   1,239,520x = 3,668,496,670,224
5. Step 5: Solve for x
   x = 3,668,496,670,224/1,239,520
6. Step 6: Final answer
   x = 2,959,610.71