Finding the Third Proportional to 78,090,428,822 and 109,968,531,583

Step by Step Solution

1. Step 1: Write the proportion equation
   78,090,428,822 : 109,968,531,583 = 109,968,531,583 : x
2. Step 2: Convert to fraction form
   78,090,428,822/109,968,531,583 = 109,968,531,583/x
3. Step 3: Cross multiply
   78,090,428,822x = 109,968,531,583 × 109,968,531,583
4. Step 4: Simplify right side
   78,090,428,822x = 12,093,077,938,521,268,813,824
5. Step 5: Solve for x
   x = 12,093,077,938,521,268,813,824/78,090,428,822
6. Step 6: Final answer
   x = 154,859,924,845.42