Finding the Third Proportional to 3,670,938 and 7,873,316

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670,938 : 7,873,316 = 7,873,316 : x
2. Step 2: Convert to fraction form
   3,670,938/7,873,316 = 7,873,316/x
3. Step 3: Cross multiply
   3,670,938x = 7,873,316 × 7,873,316
4. Step 4: Simplify right side
   3,670,938x = 61,989,104,835,856
5. Step 5: Solve for x
   x = 61,989,104,835,856/3,670,938
6. Step 6: Final answer
   x = 16,886,448.32