Finding the Third Proportional to 6,427,395 and 13,387,446

Step by Step Solution

1. Step 1: Write the proportion equation
   6,427,395 : 13,387,446 = 13,387,446 : x
2. Step 2: Convert to fraction form
   6,427,395/13,387,446 = 13,387,446/x
3. Step 3: Cross multiply
   6,427,395x = 13,387,446 × 13,387,446
4. Step 4: Simplify right side
   6,427,395x = 179,223,710,402,916
5. Step 5: Solve for x
   x = 179,223,710,402,916/6,427,395
6. Step 6: Final answer
   x = 27,884,346.68