Finding the Third Proportional to 19,957,647 and 42,896,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,957,647 : 42,896,719.50 = 42,896,719.50 : x
2. Step 2: Convert to fraction form
   19,957,647/42,896,719.50 = 42,896,719.50/x
3. Step 3: Cross multiply
   19,957,647x = 42,896,719.50 × 42,896,719.50
4. Step 4: Simplify right side
   19,957,647x = 1,840,128,543,861,680.25
5. Step 5: Solve for x
   x = 1,840,128,543,861,680.25/19,957,647
6. Step 6: Final answer
   x = 92,201,678.08