Finding the Third Proportional to 7,139,542 and 10,876,658

Step by Step Solution

1. Step 1: Write the proportion equation
   7,139,542 : 10,876,658 = 10,876,658 : x
2. Step 2: Convert to fraction form
   7,139,542/10,876,658 = 10,876,658/x
3. Step 3: Cross multiply
   7,139,542x = 10,876,658 × 10,876,658
4. Step 4: Simplify right side
   7,139,542x = 118,301,689,248,964
5. Step 5: Solve for x
   x = 118,301,689,248,964/7,139,542
6. Step 6: Final answer
   x = 16,569,926.93