Finding the Third Proportional to 4,538,967 and 9,834,402

Step by Step Solution

1. Step 1: Write the proportion equation
   4,538,967 : 9,834,402 = 9,834,402 : x
2. Step 2: Convert to fraction form
   4,538,967/9,834,402 = 9,834,402/x
3. Step 3: Cross multiply
   4,538,967x = 9,834,402 × 9,834,402
4. Step 4: Simplify right side
   4,538,967x = 96,715,462,697,604
5. Step 5: Solve for x
   x = 96,715,462,697,604/4,538,967
6. Step 6: Final answer
   x = 21,307,813.58