Finding the Third Proportional to 19,140,292.50 and 42,000,663

Step by Step Solution

1. Step 1: Write the proportion equation
   19,140,292.50 : 42,000,663 = 42,000,663 : x
2. Step 2: Convert to fraction form
   19,140,292.50/42,000,663 = 42,000,663/x
3. Step 3: Cross multiply
   19,140,292.50x = 42,000,663 × 42,000,663
4. Step 4: Simplify right side
   19,140,292.50x = 1,764,055,692,439,569
5. Step 5: Solve for x
   x = 1,764,055,692,439,569/19,140,292.50
6. Step 6: Final answer
   x = 92,164,510.68