Finding the Third Proportional to 1,872,259.31 and 2,808,433.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,872,259.31 : 2,808,433.69 = 2,808,433.69 : x
2. Step 2: Convert to fraction form
   1,872,259.31/2,808,433.69 = 2,808,433.69/x
3. Step 3: Cross multiply
   1,872,259.31x = 2,808,433.69 × 2,808,433.69
4. Step 4: Simplify right side
   1,872,259.31x = 7,887,299,777,084.85
5. Step 5: Solve for x
   x = 7,887,299,777,084.85/1,872,259.31
6. Step 6: Final answer
   x = 4,212,717.61