Finding the Third Proportional to 7,078,782 and 10,931,110

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078,782 : 10,931,110 = 10,931,110 : x
2. Step 2: Convert to fraction form
   7,078,782/10,931,110 = 10,931,110/x
3. Step 3: Cross multiply
   7,078,782x = 10,931,110 × 10,931,110
4. Step 4: Simplify right side
   7,078,782x = 119,489,165,832,100
5. Step 5: Solve for x
   x = 119,489,165,832,100/7,078,782
6. Step 6: Final answer
   x = 16,879,904.74