Finding the Third Proportional to 1,105,782 and 1,668,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,782 : 1,668,817.50 = 1,668,817.50 : x
2. Step 2: Convert to fraction form
   1,105,782/1,668,817.50 = 1,668,817.50/x
3. Step 3: Cross multiply
   1,105,782x = 1,668,817.50 × 1,668,817.50
4. Step 4: Simplify right side
   1,105,782x = 2,784,951,848,306.25
5. Step 5: Solve for x
   x = 2,784,951,848,306.25/1,105,782
6. Step 6: Final answer
   x = 2,518,536.07