Finding the Third Proportional to 19,841,288 and 42,516,910

Step by Step Solution

1. Step 1: Write the proportion equation
   19,841,288 : 42,516,910 = 42,516,910 : x
2. Step 2: Convert to fraction form
   19,841,288/42,516,910 = 42,516,910/x
3. Step 3: Cross multiply
   19,841,288x = 42,516,910 × 42,516,910
4. Step 4: Simplify right side
   19,841,288x = 1,807,687,635,948,100
5. Step 5: Solve for x
   x = 1,807,687,635,948,100/19,841,288
6. Step 6: Final answer
   x = 91,107,373.47