Finding the Third Proportional to 7,078,769 and 10,931,090

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078,769 : 10,931,090 = 10,931,090 : x
2. Step 2: Convert to fraction form
   7,078,769/10,931,090 = 10,931,090/x
3. Step 3: Cross multiply
   7,078,769x = 10,931,090 × 10,931,090
4. Step 4: Simplify right side
   7,078,769x = 119,488,728,588,100
5. Step 5: Solve for x
   x = 119,488,728,588,100/7,078,769
6. Step 6: Final answer
   x = 16,879,873.97