Finding the Third Proportional to 19,973,540.81 and 42,980,722.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,973,540.81 : 42,980,722.88 = 42,980,722.88 : x
2. Step 2: Convert to fraction form
   19,973,540.81/42,980,722.88 = 42,980,722.88/x
3. Step 3: Cross multiply
   19,973,540.81x = 42,980,722.88 × 42,980,722.88
4. Step 4: Simplify right side
   19,973,540.81x = 1,847,342,538,857,548.25
5. Step 5: Solve for x
   x = 1,847,342,538,857,548.25/19,973,540.81
6. Step 6: Final answer
   x = 92,489,486.78