Finding the Third Proportional to 1,636,931 and 3,571,213

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,931 : 3,571,213 = 3,571,213 : x
2. Step 2: Convert to fraction form
   1,636,931/3,571,213 = 3,571,213/x
3. Step 3: Cross multiply
   1,636,931x = 3,571,213 × 3,571,213
4. Step 4: Simplify right side
   1,636,931x = 12,753,562,291,369
5. Step 5: Solve for x
   x = 12,753,562,291,369/1,636,931
6. Step 6: Final answer
   x = 7,791,142.26