Finding the Third Proportional to 5,381,516 and 8,341,272

Step by Step Solution

1. Step 1: Write the proportion equation
   5,381,516 : 8,341,272 = 8,341,272 : x
2. Step 2: Convert to fraction form
   5,381,516/8,341,272 = 8,341,272/x
3. Step 3: Cross multiply
   5,381,516x = 8,341,272 × 8,341,272
4. Step 4: Simplify right side
   5,381,516x = 69,576,818,577,984
5. Step 5: Solve for x
   x = 69,576,818,577,984/5,381,516
6. Step 6: Final answer
   x = 12,928,851.01