Finding the Third Proportional to 7,887,803 and 12,116,635

Step by Step Solution

1. Step 1: Write the proportion equation
   7,887,803 : 12,116,635 = 12,116,635 : x
2. Step 2: Convert to fraction form
   7,887,803/12,116,635 = 12,116,635/x
3. Step 3: Cross multiply
   7,887,803x = 12,116,635 × 12,116,635
4. Step 4: Simplify right side
   7,887,803x = 146,812,843,723,225
5. Step 5: Solve for x
   x = 146,812,843,723,225/7,887,803
6. Step 6: Final answer
   x = 18,612,640.77