Finding the Third Proportional to 19,705,944 and 42,324,772

Step by Step Solution

1. Step 1: Write the proportion equation
   19,705,944 : 42,324,772 = 42,324,772 : x
2. Step 2: Convert to fraction form
   19,705,944/42,324,772 = 42,324,772/x
3. Step 3: Cross multiply
   19,705,944x = 42,324,772 × 42,324,772
4. Step 4: Simplify right side
   19,705,944x = 1,791,386,324,851,984
5. Step 5: Solve for x
   x = 1,791,386,324,851,984/19,705,944
6. Step 6: Final answer
   x = 90,905,887.32