Finding the Third Proportional to 5,390,294 and 8,077,136

Step by Step Solution

1. Step 1: Write the proportion equation
   5,390,294 : 8,077,136 = 8,077,136 : x
2. Step 2: Convert to fraction form
   5,390,294/8,077,136 = 8,077,136/x
3. Step 3: Cross multiply
   5,390,294x = 8,077,136 × 8,077,136
4. Step 4: Simplify right side
   5,390,294x = 65,240,125,962,496
5. Step 5: Solve for x
   x = 65,240,125,962,496/5,390,294
6. Step 6: Final answer
   x = 12,103,259.30