Finding the Third Proportional to 19,890,525 and 42,841,636

Step by Step Solution

1. Step 1: Write the proportion equation
   19,890,525 : 42,841,636 = 42,841,636 : x
2. Step 2: Convert to fraction form
   19,890,525/42,841,636 = 42,841,636/x
3. Step 3: Cross multiply
   19,890,525x = 42,841,636 × 42,841,636
4. Step 4: Simplify right side
   19,890,525x = 1,835,405,775,156,496
5. Step 5: Solve for x
   x = 1,835,405,775,156,496/19,890,525
6. Step 6: Final answer
   x = 92,275,381.13