Finding the Third Proportional to 19,420,656 and 42,498,594

Step by Step Solution

1. Step 1: Write the proportion equation
   19,420,656 : 42,498,594 = 42,498,594 : x
2. Step 2: Convert to fraction form
   19,420,656/42,498,594 = 42,498,594/x
3. Step 3: Cross multiply
   19,420,656x = 42,498,594 × 42,498,594
4. Step 4: Simplify right side
   19,420,656x = 1,806,130,491,976,836
5. Step 5: Solve for x
   x = 1,806,130,491,976,836/19,420,656
6. Step 6: Final answer
   x = 93,000,488.34