Finding the Third Proportional to 19,947,286 and 42,296,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,947,286 : 42,296,532.50 = 42,296,532.50 : x
2. Step 2: Convert to fraction form
   19,947,286/42,296,532.50 = 42,296,532.50/x
3. Step 3: Cross multiply
   19,947,286x = 42,296,532.50 × 42,296,532.50
4. Step 4: Simplify right side
   19,947,286x = 1,788,996,661,523,556.25
5. Step 5: Solve for x
   x = 1,788,996,661,523,556.25/19,947,286
6. Step 6: Final answer
   x = 89,686,219.04