Finding the Third Proportional to 39,636,045 and 87,066,558

Step by Step Solution

1. Step 1: Write the proportion equation
   39,636,045 : 87,066,558 = 87,066,558 : x
2. Step 2: Convert to fraction form
   39,636,045/87,066,558 = 87,066,558/x
3. Step 3: Cross multiply
   39,636,045x = 87,066,558 × 87,066,558
4. Step 4: Simplify right side
   39,636,045x = 7,580,585,521,967,364
5. Step 5: Solve for x
   x = 7,580,585,521,967,364/39,636,045
6. Step 6: Final answer
   x = 191,254,841.95