Finding the Third Proportional to 3,273,807 and 7,142,316

Step by Step Solution

1. Step 1: Write the proportion equation
   3,273,807 : 7,142,316 = 7,142,316 : x
2. Step 2: Convert to fraction form
   3,273,807/7,142,316 = 7,142,316/x
3. Step 3: Cross multiply
   3,273,807x = 7,142,316 × 7,142,316
4. Step 4: Simplify right side
   3,273,807x = 51,012,677,843,856
5. Step 5: Solve for x
   x = 51,012,677,843,856/3,273,807
6. Step 6: Final answer
   x = 15,582,066.34