Finding the Third Proportional to 1,111,539 and 1,722,223.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,539 : 1,722,223.50 = 1,722,223.50 : x
2. Step 2: Convert to fraction form
   1,111,539/1,722,223.50 = 1,722,223.50/x
3. Step 3: Cross multiply
   1,111,539x = 1,722,223.50 × 1,722,223.50
4. Step 4: Simplify right side
   1,111,539x = 2,966,053,783,952.25
5. Step 5: Solve for x
   x = 2,966,053,783,952.25/1,111,539
6. Step 6: Final answer
   x = 2,668,420.80