Finding the Third Proportional to 19,977,111 and 42,986,133

Step by Step Solution

1. Step 1: Write the proportion equation
   19,977,111 : 42,986,133 = 42,986,133 : x
2. Step 2: Convert to fraction form
   19,977,111/42,986,133 = 42,986,133/x
3. Step 3: Cross multiply
   19,977,111x = 42,986,133 × 42,986,133
4. Step 4: Simplify right side
   19,977,111x = 1,847,807,630,293,689
5. Step 5: Solve for x
   x = 1,847,807,630,293,689/19,977,111
6. Step 6: Final answer
   x = 92,496,238.84