Finding the Third Proportional to 60,078,888 and 123,342,720

Step by Step Solution

1. Step 1: Write the proportion equation
   60,078,888 : 123,342,720 = 123,342,720 : x
2. Step 2: Convert to fraction form
   60,078,888/123,342,720 = 123,342,720/x
3. Step 3: Cross multiply
   60,078,888x = 123,342,720 × 123,342,720
4. Step 4: Simplify right side
   60,078,888x = 15,213,426,576,998,400
5. Step 5: Solve for x
   x = 15,213,426,576,998,400/60,078,888
6. Step 6: Final answer
   x = 253,224,170.48