Finding the Third Proportional to 1,722,389 and 4,022,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722,389 : 4,022,998.50 = 4,022,998.50 : x
2. Step 2: Convert to fraction form
   1,722,389/4,022,998.50 = 4,022,998.50/x
3. Step 3: Cross multiply
   1,722,389x = 4,022,998.50 × 4,022,998.50
4. Step 4: Simplify right side
   1,722,389x = 16,184,516,931,002.25
5. Step 5: Solve for x
   x = 16,184,516,931,002.25/1,722,389
6. Step 6: Final answer
   x = 9,396,551.49