Finding the Third Proportional to 7,172,338 and 10,779,528

Step by Step Solution

1. Step 1: Write the proportion equation
   7,172,338 : 10,779,528 = 10,779,528 : x
2. Step 2: Convert to fraction form
   7,172,338/10,779,528 = 10,779,528/x
3. Step 3: Cross multiply
   7,172,338x = 10,779,528 × 10,779,528
4. Step 4: Simplify right side
   7,172,338x = 116,198,223,902,784
5. Step 5: Solve for x
   x = 116,198,223,902,784/7,172,338
6. Step 6: Final answer
   x = 16,200,885.11