Finding the Third Proportional to 3,812,628 and 8,380,955

Step by Step Solution

1. Step 1: Write the proportion equation
   3,812,628 : 8,380,955 = 8,380,955 : x
2. Step 2: Convert to fraction form
   3,812,628/8,380,955 = 8,380,955/x
3. Step 3: Cross multiply
   3,812,628x = 8,380,955 × 8,380,955
4. Step 4: Simplify right side
   3,812,628x = 70,240,406,712,025
5. Step 5: Solve for x
   x = 70,240,406,712,025/3,812,628
6. Step 6: Final answer
   x = 18,423,094.70