Finding the Third Proportional to 42,445,600 and 90,942,630

Step by Step Solution

1. Step 1: Write the proportion equation
   42,445,600 : 90,942,630 = 90,942,630 : x
2. Step 2: Convert to fraction form
   42,445,600/90,942,630 = 90,942,630/x
3. Step 3: Cross multiply
   42,445,600x = 90,942,630 × 90,942,630
4. Step 4: Simplify right side
   42,445,600x = 8,270,561,951,316,900
5. Step 5: Solve for x
   x = 8,270,561,951,316,900/42,445,600
6. Step 6: Final answer
   x = 194,850,866.79