Finding the Third Proportional to 5,126,214 and 7,209,684

Step by Step Solution

1. Step 1: Write the proportion equation
   5,126,214 : 7,209,684 = 7,209,684 : x
2. Step 2: Convert to fraction form
   5,126,214/7,209,684 = 7,209,684/x
3. Step 3: Cross multiply
   5,126,214x = 7,209,684 × 7,209,684
4. Step 4: Simplify right side
   5,126,214x = 51,979,543,379,856
5. Step 5: Solve for x
   x = 51,979,543,379,856/5,126,214
6. Step 6: Final answer
   x = 10,139,948.00