Finding the Third Proportional to 72,521,018 and 112,457,874

Step by Step Solution

1. Step 1: Write the proportion equation
   72,521,018 : 112,457,874 = 112,457,874 : x
2. Step 2: Convert to fraction form
   72,521,018/112,457,874 = 112,457,874/x
3. Step 3: Cross multiply
   72,521,018x = 112,457,874 × 112,457,874
4. Step 4: Simplify right side
   72,521,018x = 12,646,773,424,599,876
5. Step 5: Solve for x
   x = 12,646,773,424,599,876/72,521,018
6. Step 6: Final answer
   x = 174,387,698.54