Finding the Third Proportional to 945,890 and 2,075,730

Step by Step Solution

1. Step 1: Write the proportion equation
   945,890 : 2,075,730 = 2,075,730 : x
2. Step 2: Convert to fraction form
   945,890/2,075,730 = 2,075,730/x
3. Step 3: Cross multiply
   945,890x = 2,075,730 × 2,075,730
4. Step 4: Simplify right side
   945,890x = 4,308,655,032,900
5. Step 5: Solve for x
   x = 4,308,655,032,900/945,890
6. Step 6: Final answer
   x = 4,555,133.30