Finding the Third Proportional to 5,477,156 and 8,514,421

Step by Step Solution

1. Step 1: Write the proportion equation
   5,477,156 : 8,514,421 = 8,514,421 : x
2. Step 2: Convert to fraction form
   5,477,156/8,514,421 = 8,514,421/x
3. Step 3: Cross multiply
   5,477,156x = 8,514,421 × 8,514,421
4. Step 4: Simplify right side
   5,477,156x = 72,495,364,965,241
5. Step 5: Solve for x
   x = 72,495,364,965,241/5,477,156
6. Step 6: Final answer
   x = 13,235,950.37