Finding the Third Proportional to 9,322,490 and 12,595,503

Step by Step Solution

1. Step 1: Write the proportion equation
   9,322,490 : 12,595,503 = 12,595,503 : x
2. Step 2: Convert to fraction form
   9,322,490/12,595,503 = 12,595,503/x
3. Step 3: Cross multiply
   9,322,490x = 12,595,503 × 12,595,503
4. Step 4: Simplify right side
   9,322,490x = 158,646,695,823,009
5. Step 5: Solve for x
   x = 158,646,695,823,009/9,322,490
6. Step 6: Final answer
   x = 17,017,631.11