Finding the Third Proportional to 19,837,821.38 and 42,986,122.88

Step by Step Solution

1. Step 1: Write the proportion equation
   19,837,821.38 : 42,986,122.88 = 42,986,122.88 : x
2. Step 2: Convert to fraction form
   19,837,821.38/42,986,122.88 = 42,986,122.88/x
3. Step 3: Cross multiply
   19,837,821.38x = 42,986,122.88 × 42,986,122.88
4. Step 4: Simplify right side
   19,837,821.38x = 1,847,806,759,824,598.25
5. Step 5: Solve for x
   x = 1,847,806,759,824,598.25/19,837,821.38
6. Step 6: Final answer
   x = 93,145,649.66