Finding the Third Proportional to 5,402,972 and 8,555,466

Step by Step Solution

1. Step 1: Write the proportion equation
   5,402,972 : 8,555,466 = 8,555,466 : x
2. Step 2: Convert to fraction form
   5,402,972/8,555,466 = 8,555,466/x
3. Step 3: Cross multiply
   5,402,972x = 8,555,466 × 8,555,466
4. Step 4: Simplify right side
   5,402,972x = 73,195,998,477,156
5. Step 5: Solve for x
   x = 73,195,998,477,156/5,402,972
6. Step 6: Final answer
   x = 13,547,358.47