Finding the Third Proportional to 7,230,838 and 9,915,072

Step by Step Solution

1. Step 1: Write the proportion equation
   7,230,838 : 9,915,072 = 9,915,072 : x
2. Step 2: Convert to fraction form
   7,230,838/9,915,072 = 9,915,072/x
3. Step 3: Cross multiply
   7,230,838x = 9,915,072 × 9,915,072
4. Step 4: Simplify right side
   7,230,838x = 98,308,652,765,184
5. Step 5: Solve for x
   x = 98,308,652,765,184/7,230,838
6. Step 6: Final answer
   x = 13,595,748.21