Finding the Third Proportional to 19,531,854 and 42,426,288

Step by Step Solution

1. Step 1: Write the proportion equation
   19,531,854 : 42,426,288 = 42,426,288 : x
2. Step 2: Convert to fraction form
   19,531,854/42,426,288 = 42,426,288/x
3. Step 3: Cross multiply
   19,531,854x = 42,426,288 × 42,426,288
4. Step 4: Simplify right side
   19,531,854x = 1,799,989,913,458,944
5. Step 5: Solve for x
   x = 1,799,989,913,458,944/19,531,854
6. Step 6: Final answer
   x = 92,156,633.64