Finding the Third Proportional to 121,011,456 and 181,607,040

Step by Step Solution

1. Step 1: Write the proportion equation
   121,011,456 : 181,607,040 = 181,607,040 : x
2. Step 2: Convert to fraction form
   121,011,456/181,607,040 = 181,607,040/x
3. Step 3: Cross multiply
   121,011,456x = 181,607,040 × 181,607,040
4. Step 4: Simplify right side
   121,011,456x = 32,981,116,977,561,600
5. Step 5: Solve for x
   x = 32,981,116,977,561,600/121,011,456
6. Step 6: Final answer
   x = 272,545,410.72