Finding the Third Proportional to 5,354,322 and 8,156,959

Step by Step Solution

1. Step 1: Write the proportion equation
   5,354,322 : 8,156,959 = 8,156,959 : x
2. Step 2: Convert to fraction form
   5,354,322/8,156,959 = 8,156,959/x
3. Step 3: Cross multiply
   5,354,322x = 8,156,959 × 8,156,959
4. Step 4: Simplify right side
   5,354,322x = 66,535,980,127,681
5. Step 5: Solve for x
   x = 66,535,980,127,681/5,354,322
6. Step 6: Final answer
   x = 12,426,592.97