Finding the Third Proportional to 7,139,533 and 10,876,646

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,533 : 10,876,646 = 10,876,646 : x
2. Step 2: Convert to fraction form
   7,139,533/10,876,646 = 10,876,646/x
3. Step 3: Cross multiply
   7,139,533x = 10,876,646 × 10,876,646
4. Step 4: Simplify right side
   7,139,533x = 118,301,428,209,316
5. Step 5: Solve for x
   x = 118,301,428,209,316/7,139,533
6. Step 6: Final answer
   x = 16,569,911.25