Finding the Third Proportional to 5,209,464 and 8,050,380

Step by Step Solution

1. Step 1: Write the proportion equation
   5,209,464 : 8,050,380 = 8,050,380 : x
2. Step 2: Convert to fraction form
   5,209,464/8,050,380 = 8,050,380/x
3. Step 3: Cross multiply
   5,209,464x = 8,050,380 × 8,050,380
4. Step 4: Simplify right side
   5,209,464x = 64,808,618,144,400
5. Step 5: Solve for x
   x = 64,808,618,144,400/5,209,464
6. Step 6: Final answer
   x = 12,440,553.99