Finding the Third Proportional to 1,772,984 and 3,919,208

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772,984 : 3,919,208 = 3,919,208 : x
2. Step 2: Convert to fraction form
   1,772,984/3,919,208 = 3,919,208/x
3. Step 3: Cross multiply
   1,772,984x = 3,919,208 × 3,919,208
4. Step 4: Simplify right side
   1,772,984x = 15,360,191,347,264
5. Step 5: Solve for x
   x = 15,360,191,347,264/1,772,984
6. Step 6: Final answer
   x = 8,663,468.68