Finding the Third Proportional to 42,445,739 and 90,942,898

Step by Step Solution

1. Step 1: Write the proportion equation
   42,445,739 : 90,942,898 = 90,942,898 : x
2. Step 2: Convert to fraction form
   42,445,739/90,942,898 = 90,942,898/x
3. Step 3: Cross multiply
   42,445,739x = 90,942,898 × 90,942,898
4. Step 4: Simplify right side
   42,445,739x = 8,270,610,696,638,404
5. Step 5: Solve for x
   x = 8,270,610,696,638,404/42,445,739
6. Step 6: Final answer
   x = 194,851,377.11