Finding the Third Proportional to 19,841,286 and 42,516,906

Step by Step Solution

1. Step 1: Write the proportion equation
   19,841,286 : 42,516,906 = 42,516,906 : x
2. Step 2: Convert to fraction form
   19,841,286/42,516,906 = 42,516,906/x
3. Step 3: Cross multiply
   19,841,286x = 42,516,906 × 42,516,906
4. Step 4: Simplify right side
   19,841,286x = 1,807,687,295,812,836
5. Step 5: Solve for x
   x = 1,807,687,295,812,836/19,841,286
6. Step 6: Final answer
   x = 91,107,365.51