Finding the Third Proportional to 5,709,210 and 8,349,453

Step by Step Solution

1. Step 1: Write the proportion equation
   5,709,210 : 8,349,453 = 8,349,453 : x
2. Step 2: Convert to fraction form
   5,709,210/8,349,453 = 8,349,453/x
3. Step 3: Cross multiply
   5,709,210x = 8,349,453 × 8,349,453
4. Step 4: Simplify right side
   5,709,210x = 69,713,365,399,209
5. Step 5: Solve for x
   x = 69,713,365,399,209/5,709,210
6. Step 6: Final answer
   x = 12,210,685.09