Finding the Third Proportional to 7,078,768 and 10,931,088

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078,768 : 10,931,088 = 10,931,088 : x
2. Step 2: Convert to fraction form
   7,078,768/10,931,088 = 10,931,088/x
3. Step 3: Cross multiply
   7,078,768x = 10,931,088 × 10,931,088
4. Step 4: Simplify right side
   7,078,768x = 119,488,684,863,744
5. Step 5: Solve for x
   x = 119,488,684,863,744/7,078,768
6. Step 6: Final answer
   x = 16,879,870.18