Finding the Third Proportional to 19,140,294.38 and 42,000,665.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,140,294.38 : 42,000,665.63 = 42,000,665.63 : x
2. Step 2: Convert to fraction form
   19,140,294.38/42,000,665.63 = 42,000,665.63/x
3. Step 3: Cross multiply
   19,140,294.38x = 42,000,665.63 × 42,000,665.63
4. Step 4: Simplify right side
   19,140,294.38x = 1,764,055,912,943,056.75
5. Step 5: Solve for x
   x = 1,764,055,912,943,056.75/19,140,294.38
6. Step 6: Final answer
   x = 92,164,513.17