Finding the Third Proportional to 42,675,078 and 60,981,776

Step by Step Solution

1. Step 1: Write the proportion equation
   42,675,078 : 60,981,776 = 60,981,776 : x
2. Step 2: Convert to fraction form
   42,675,078/60,981,776 = 60,981,776/x
3. Step 3: Cross multiply
   42,675,078x = 60,981,776 × 60,981,776
4. Step 4: Simplify right side
   42,675,078x = 3,718,777,004,114,176
5. Step 5: Solve for x
   x = 3,718,777,004,114,176/42,675,078
6. Step 6: Final answer
   x = 87,141,656.87