Finding the Third Proportional to 1,575,399 and 3,457,140

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575,399 : 3,457,140 = 3,457,140 : x
2. Step 2: Convert to fraction form
   1,575,399/3,457,140 = 3,457,140/x
3. Step 3: Cross multiply
   1,575,399x = 3,457,140 × 3,457,140
4. Step 4: Simplify right side
   1,575,399x = 11,951,816,979,600
5. Step 5: Solve for x
   x = 11,951,816,979,600/1,575,399
6. Step 6: Final answer
   x = 7,586,533.30