Finding the Third Proportional to 81,066,079,280 and 168,841,948,362

Step by Step Solution

1. Step 1: Write the proportion equation
   81,066,079,280 : 168,841,948,362 = 168,841,948,362 : x
2. Step 2: Convert to fraction form
   81,066,079,280/168,841,948,362 = 168,841,948,362/x
3. Step 3: Cross multiply
   81,066,079,280x = 168,841,948,362 × 168,841,948,362
4. Step 4: Simplify right side
   81,066,079,280x = 28,507,603,526,676,272,644,096
5. Step 5: Solve for x
   x = 28,507,603,526,676,272,644,096/81,066,079,280
6. Step 6: Final answer
   x = 351,658,841,526.21