Finding the Third Proportional to 19,140,242.50 and 42,000,581

Step by Step Solution

1. Step 1: Write the proportion equation
   19,140,242.50 : 42,000,581 = 42,000,581 : x
2. Step 2: Convert to fraction form
   19,140,242.50/42,000,581 = 42,000,581/x
3. Step 3: Cross multiply
   19,140,242.50x = 42,000,581 × 42,000,581
4. Step 4: Simplify right side
   19,140,242.50x = 1,764,048,804,337,561
5. Step 5: Solve for x
   x = 1,764,048,804,337,561/19,140,242.50
6. Step 6: Final answer
   x = 92,164,391.56