Finding the Third Proportional to 285,610,869.89 and 621,926,076.82

Step by Step Solution

1. Step 1: Write the proportion equation
   285,610,869.89 : 621,926,076.82 = 621,926,076.82 : x
2. Step 2: Convert to fraction form
   285,610,869.89/621,926,076.82 = 621,926,076.82/x
3. Step 3: Cross multiply
   285,610,869.89x = 621,926,076.82 × 621,926,076.82
4. Step 4: Simplify right side
   285,610,869.89x = 386,792,045,032,759,104
5. Step 5: Solve for x
   x = 386,792,045,032,759,104/285,610,869.89
6. Step 6: Final answer
   x = 1,354,262,340.17