Finding the Third Proportional to 5,321,394 and 8,114,931

Step by Step Solution

1. Step 1: Write the proportion equation
   5,321,394 : 8,114,931 = 8,114,931 : x
2. Step 2: Convert to fraction form
   5,321,394/8,114,931 = 8,114,931/x
3. Step 3: Cross multiply
   5,321,394x = 8,114,931 × 8,114,931
4. Step 4: Simplify right side
   5,321,394x = 65,852,105,134,761
5. Step 5: Solve for x
   x = 65,852,105,134,761/5,321,394
6. Step 6: Final answer
   x = 12,374,972.64