Finding the Third Proportional to 39,636,026 and 87,066,521

Step by Step Solution

1. Step 1: Write the proportion equation
   39,636,026 : 87,066,521 = 87,066,521 : x
2. Step 2: Convert to fraction form
   39,636,026/87,066,521 = 87,066,521/x
3. Step 3: Cross multiply
   39,636,026x = 87,066,521 × 87,066,521
4. Step 4: Simplify right side
   39,636,026x = 7,580,579,079,043,441
5. Step 5: Solve for x
   x = 7,580,579,079,043,441/39,636,026
6. Step 6: Final answer
   x = 191,254,771.08