Finding the Third Proportional to 19,705,948 and 42,324,780

Step by Step Solution

1. Step 1: Write the proportion equation
   19,705,948 : 42,324,780 = 42,324,780 : x
2. Step 2: Convert to fraction form
   19,705,948/42,324,780 = 42,324,780/x
3. Step 3: Cross multiply
   19,705,948x = 42,324,780 × 42,324,780
4. Step 4: Simplify right side
   19,705,948x = 1,791,387,002,048,400
5. Step 5: Solve for x
   x = 1,791,387,002,048,400/19,705,948
6. Step 6: Final answer
   x = 90,905,903.24