Finding the Third Proportional to 4,340,113 and 9,172,300

Step by Step Solution

1. Step 1: Write the proportion equation
   4,340,113 : 9,172,300 = 9,172,300 : x
2. Step 2: Convert to fraction form
   4,340,113/9,172,300 = 9,172,300/x
3. Step 3: Cross multiply
   4,340,113x = 9,172,300 × 9,172,300
4. Step 4: Simplify right side
   4,340,113x = 84,131,087,290,000
5. Step 5: Solve for x
   x = 84,131,087,290,000/4,340,113
6. Step 6: Final answer
   x = 19,384,538.44