Finding the Third Proportional to 19,629,256 and 42,897,680

Step by Step Solution

1. Step 1: Write the proportion equation
   19,629,256 : 42,897,680 = 42,897,680 : x
2. Step 2: Convert to fraction form
   19,629,256/42,897,680 = 42,897,680/x
3. Step 3: Cross multiply
   19,629,256x = 42,897,680 × 42,897,680
4. Step 4: Simplify right side
   19,629,256x = 1,840,210,949,382,400
5. Step 5: Solve for x
   x = 1,840,210,949,382,400/19,629,256
6. Step 6: Final answer
   x = 93,748,379.94