Finding the Third Proportional to 2,161,199 and 4,702,942

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161,199 : 4,702,942 = 4,702,942 : x
2. Step 2: Convert to fraction form
   2,161,199/4,702,942 = 4,702,942/x
3. Step 3: Cross multiply
   2,161,199x = 4,702,942 × 4,702,942
4. Step 4: Simplify right side
   2,161,199x = 22,117,663,455,364
5. Step 5: Solve for x
   x = 22,117,663,455,364/2,161,199
6. Step 6: Final answer
   x = 10,233,978.20