Finding the Third Proportional to 19,629,216 and 42,897,600

Step by Step Solution

1. Step 1: Write the proportion equation
   19,629,216 : 42,897,600 = 42,897,600 : x
2. Step 2: Convert to fraction form
   19,629,216/42,897,600 = 42,897,600/x
3. Step 3: Cross multiply
   19,629,216x = 42,897,600 × 42,897,600
4. Step 4: Simplify right side
   19,629,216x = 1,840,204,085,760,000
5. Step 5: Solve for x
   x = 1,840,204,085,760,000/19,629,216
6. Step 6: Final answer
   x = 93,748,221.31