Finding the Third Proportional to 5,619,645 and 8,367,246

Step by Step Solution

1. Step 1: Write the proportion equation
   5,619,645 : 8,367,246 = 8,367,246 : x
2. Step 2: Convert to fraction form
   5,619,645/8,367,246 = 8,367,246/x
3. Step 3: Cross multiply
   5,619,645x = 8,367,246 × 8,367,246
4. Step 4: Simplify right side
   5,619,645x = 70,010,805,624,516
5. Step 5: Solve for x
   x = 70,010,805,624,516/5,619,645
6. Step 6: Final answer
   x = 12,458,225.68