Finding the Third Proportional to 7,139,748 and 10,876,956

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,748 : 10,876,956 = 10,876,956 : x
2. Step 2: Convert to fraction form
   7,139,748/10,876,956 = 10,876,956/x
3. Step 3: Cross multiply
   7,139,748x = 10,876,956 × 10,876,956
4. Step 4: Simplify right side
   7,139,748x = 118,308,171,825,936
5. Step 5: Solve for x
   x = 118,308,171,825,936/7,139,748
6. Step 6: Final answer
   x = 16,570,356.80