Finding the Third Proportional to 19,977,168 and 42,986,238

Step by Step Solution

1. Step 1: Write the proportion equation
   19,977,168 : 42,986,238 = 42,986,238 : x
2. Step 2: Convert to fraction form
   19,977,168/42,986,238 = 42,986,238/x
3. Step 3: Cross multiply
   19,977,168x = 42,986,238 × 42,986,238
4. Step 4: Simplify right side
   19,977,168x = 1,847,816,657,392,644
5. Step 5: Solve for x
   x = 1,847,816,657,392,644/19,977,168
6. Step 6: Final answer
   x = 92,496,426.79