Finding the Third Proportional to 18,463,520 and 42,739,706

Step by Step Solution

1. Step 1: Write the proportion equation
   18,463,520 : 42,739,706 = 42,739,706 : x
2. Step 2: Convert to fraction form
   18,463,520/42,739,706 = 42,739,706/x
3. Step 3: Cross multiply
   18,463,520x = 42,739,706 × 42,739,706
4. Step 4: Simplify right side
   18,463,520x = 1,826,682,468,966,436
5. Step 5: Solve for x
   x = 1,826,682,468,966,436/18,463,520
6. Step 6: Final answer
   x = 98,934,681.41