Finding the Third Proportional to 928,623 and 1,400,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   928,623 : 1,400,389.50 = 1,400,389.50 : x
2. Step 2: Convert to fraction form
   928,623/1,400,389.50 = 1,400,389.50/x
3. Step 3: Cross multiply
   928,623x = 1,400,389.50 × 1,400,389.50
4. Step 4: Simplify right side
   928,623x = 1,961,090,751,710.25
5. Step 5: Solve for x
   x = 1,961,090,751,710.25/928,623
6. Step 6: Final answer
   x = 2,111,826.60