Finding the Third Proportional to 2,161,762 and 4,692,740

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,762 : 4,692,740 = 4,692,740 : x
2. Step 2: Convert to fraction form
   2,161,762/4,692,740 = 4,692,740/x
3. Step 3: Cross multiply
   2,161,762x = 4,692,740 × 4,692,740
4. Step 4: Simplify right side
   2,161,762x = 22,021,808,707,600
5. Step 5: Solve for x
   x = 22,021,808,707,600/2,161,762
6. Step 6: Final answer
   x = 10,186,971.88