Finding the Third Proportional to 5,354,320 and 8,156,956

Step by Step Solution

1. Step 1: Write the proportion equation
   5,354,320 : 8,156,956 = 8,156,956 : x
2. Step 2: Convert to fraction form
   5,354,320/8,156,956 = 8,156,956/x
3. Step 3: Cross multiply
   5,354,320x = 8,156,956 × 8,156,956
4. Step 4: Simplify right side
   5,354,320x = 66,535,931,185,936
5. Step 5: Solve for x
   x = 66,535,931,185,936/5,354,320
6. Step 6: Final answer
   x = 12,426,588.47