Finding the Third Proportional to 78,746,102 and 123,280,245

Step by Step Solution

1. Step 1: Write the proportion equation
   78,746,102 : 123,280,245 = 123,280,245 : x
2. Step 2: Convert to fraction form
   78,746,102/123,280,245 = 123,280,245/x
3. Step 3: Cross multiply
   78,746,102x = 123,280,245 × 123,280,245
4. Step 4: Simplify right side
   78,746,102x = 15,198,018,807,260,024
5. Step 5: Solve for x
   x = 15,198,018,807,260,024/78,746,102
6. Step 6: Final answer
   x = 193,000,268.22