Finding the Third Proportional to 2,071,090.50 and 4,518,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,090.50 : 4,518,709.50 = 4,518,709.50 : x
2. Step 2: Convert to fraction form
   2,071,090.50/4,518,709.50 = 4,518,709.50/x
3. Step 3: Cross multiply
   2,071,090.50x = 4,518,709.50 × 4,518,709.50
4. Step 4: Simplify right side
   2,071,090.50x = 20,418,735,545,390.25
5. Step 5: Solve for x
   x = 20,418,735,545,390.25/2,071,090.50
6. Step 6: Final answer
   x = 9,858,929.65