Finding the Third Proportional to 19,977,126 and 42,986,160

Step by Step Solution

1. Step 1: Write the proportion equation
   19,977,126 : 42,986,160 = 42,986,160 : x
2. Step 2: Convert to fraction form
   19,977,126/42,986,160 = 42,986,160/x
3. Step 3: Cross multiply
   19,977,126x = 42,986,160 × 42,986,160
4. Step 4: Simplify right side
   19,977,126x = 1,847,809,951,545,600
5. Step 5: Solve for x
   x = 1,847,809,951,545,600/19,977,126
6. Step 6: Final answer
   x = 92,496,285.58