Finding the Third Proportional to 19,973,599 and 42,980,836

Step by Step Solution

1. Step 1: Write the proportion equation
   19,973,599 : 42,980,836 = 42,980,836 : x
2. Step 2: Convert to fraction form
   19,973,599/42,980,836 = 42,980,836/x
3. Step 3: Cross multiply
   19,973,599x = 42,980,836 × 42,980,836
4. Step 4: Simplify right side
   19,973,599x = 1,847,352,263,258,896
5. Step 5: Solve for x
   x = 1,847,352,263,258,896/19,973,599
6. Step 6: Final answer
   x = 92,489,704.20