Finding the Third Proportional to 19,903,338 and 42,573,932

Step by Step Solution

1. Step 1: Write the proportion equation
   19,903,338 : 42,573,932 = 42,573,932 : x
2. Step 2: Convert to fraction form
   19,903,338/42,573,932 = 42,573,932/x
3. Step 3: Cross multiply
   19,903,338x = 42,573,932 × 42,573,932
4. Step 4: Simplify right side
   19,903,338x = 1,812,539,685,940,624
5. Step 5: Solve for x
   x = 1,812,539,685,940,624/19,903,338
6. Step 6: Final answer
   x = 91,067,120.80