Finding the Third Proportional to 5,321,112 and 8,114,520

Step by Step Solution

1. Step 1: Write the proportion equation
   5,321,112 : 8,114,520 = 8,114,520 : x
2. Step 2: Convert to fraction form
   5,321,112/8,114,520 = 8,114,520/x
3. Step 3: Cross multiply
   5,321,112x = 8,114,520 × 8,114,520
4. Step 4: Simplify right side
   5,321,112x = 65,845,434,830,400
5. Step 5: Solve for x
   x = 65,845,434,830,400/5,321,112
6. Step 6: Final answer
   x = 12,374,374.91