Finding the Third Proportional to 183,868,111,722 and 258,813,989,499

Step by Step Solution

1. Step 1: Write the proportion equation
   183,868,111,722 : 258,813,989,499 = 258,813,989,499 : x
2. Step 2: Convert to fraction form
   183,868,111,722/258,813,989,499 = 258,813,989,499/x
3. Step 3: Cross multiply
   183,868,111,722x = 258,813,989,499 × 258,813,989,499
4. Step 4: Simplify right side
   183,868,111,722x = 66,984,681,160,388,479,287,296
5. Step 5: Solve for x
   x = 66,984,681,160,388,479,287,296/183,868,111,722
6. Step 6: Final answer
   x = 364,308,310,631.19