Finding the Third Proportional to 19,802,683 and 31,509,962.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,802,683 : 31,509,962.50 = 31,509,962.50 : x
2. Step 2: Convert to fraction form
   19,802,683/31,509,962.50 = 31,509,962.50/x
3. Step 3: Cross multiply
   19,802,683x = 31,509,962.50 × 31,509,962.50
4. Step 4: Simplify right side
   19,802,683x = 992,877,736,751,406.25
5. Step 5: Solve for x
   x = 992,877,736,751,406.25/19,802,683
6. Step 6: Final answer
   x = 50,138,546.21