Finding the Third Proportional to 20,027,047.50 and 42,888,420

Step by Step Solution

1. Step 1: Write the proportion equation
   20,027,047.50 : 42,888,420 = 42,888,420 : x
2. Step 2: Convert to fraction form
   20,027,047.50/42,888,420 = 42,888,420/x
3. Step 3: Cross multiply
   20,027,047.50x = 42,888,420 × 42,888,420
4. Step 4: Simplify right side
   20,027,047.50x = 1,839,416,570,096,400
5. Step 5: Solve for x
   x = 1,839,416,570,096,400/20,027,047.50
6. Step 6: Final answer
   x = 91,846,617.44