Finding the Third Proportional to 578,257,870.50 and 880,938,551.25

Step by Step Solution

1. Step 1: Write the proportion equation
   578,257,870.50 : 880,938,551.25 = 880,938,551.25 : x
2. Step 2: Convert to fraction form
   578,257,870.50/880,938,551.25 = 880,938,551.25/x
3. Step 3: Cross multiply
   578,257,870.50x = 880,938,551.25 × 880,938,551.25
4. Step 4: Simplify right side
   578,257,870.50x = 776,052,731,078,448,896
5. Step 5: Solve for x
   x = 776,052,731,078,448,896/578,257,870.50
6. Step 6: Final answer
   x = 1,342,053,036.66