Finding the Third Proportional to 9,079,907,526 and 12,780,938,844

Step by Step Solution

1. Step 1: Write the proportion equation
   9,079,907,526 : 12,780,938,844 = 12,780,938,844 : x
2. Step 2: Convert to fraction form
   9,079,907,526/12,780,938,844 = 12,780,938,844/x
3. Step 3: Cross multiply
   9,079,907,526x = 12,780,938,844 × 12,780,938,844
4. Step 4: Simplify right side
   9,079,907,526x = 163,352,397,734,068,060,160
5. Step 5: Solve for x
   x = 163,352,397,734,068,060,160/9,079,907,526
6. Step 6: Final answer
   x = 17,990,535,395.47