Finding the Third Proportional to 4,272,212 and 6,612,870

Step by Step Solution

1. Step 1: Write the proportion equation
   4,272,212 : 6,612,870 = 6,612,870 : x
2. Step 2: Convert to fraction form
   4,272,212/6,612,870 = 6,612,870/x
3. Step 3: Cross multiply
   4,272,212x = 6,612,870 × 6,612,870
4. Step 4: Simplify right side
   4,272,212x = 43,730,049,636,900
5. Step 5: Solve for x
   x = 43,730,049,636,900/4,272,212
6. Step 6: Final answer
   x = 10,235,926.88