Finding the Third Proportional to 78,090,428,816.44 and 109,968,531,573.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,090,428,816.44 : 109,968,531,573.94 = 109,968,531,573.94 : x
2. Step 2: Convert to fraction form
   78,090,428,816.44/109,968,531,573.94 = 109,968,531,573.94/x
3. Step 3: Cross multiply
   78,090,428,816.44x = 109,968,531,573.94 × 109,968,531,573.94
4. Step 4: Simplify right side
   78,090,428,816.44x = 12,093,077,936,528,638,869,504
5. Step 5: Solve for x
   x = 12,093,077,936,528,638,869,504/78,090,428,816.44
6. Step 6: Final answer
   x = 154,859,924,830.93