Finding the Third Proportional to 68,279,136 and 99,826,464

Step by Step Solution

1. Step 1: Write the proportion equation
   68,279,136 : 99,826,464 = 99,826,464 : x
2. Step 2: Convert to fraction form
   68,279,136/99,826,464 = 99,826,464/x
3. Step 3: Cross multiply
   68,279,136x = 99,826,464 × 99,826,464
4. Step 4: Simplify right side
   68,279,136x = 9,965,322,914,743,296
5. Step 5: Solve for x
   x = 9,965,322,914,743,296/68,279,136
6. Step 6: Final answer
   x = 145,949,751.25