Finding the Third Proportional to 19,140,288 and 42,000,657

Step by Step Solution

1. Step 1: Write the proportion equation
   19,140,288 : 42,000,657 = 42,000,657 : x
2. Step 2: Convert to fraction form
   19,140,288/42,000,657 = 42,000,657/x
3. Step 3: Cross multiply
   19,140,288x = 42,000,657 × 42,000,657
4. Step 4: Simplify right side
   19,140,288x = 1,764,055,188,431,649
5. Step 5: Solve for x
   x = 1,764,055,188,431,649/19,140,288
6. Step 6: Final answer
   x = 92,164,506.01