Finding the Third Proportional to 39,636,281 and 87,066,976

Step by Step Solution

1. Step 1: Write the proportion equation
   39,636,281 : 87,066,976 = 87,066,976 : x
2. Step 2: Convert to fraction form
   39,636,281/87,066,976 = 87,066,976/x
3. Step 3: Cross multiply
   39,636,281x = 87,066,976 × 87,066,976
4. Step 4: Simplify right side
   39,636,281x = 7,580,658,309,784,576
5. Step 5: Solve for x
   x = 7,580,658,309,784,576/39,636,281
6. Step 6: Final answer
   x = 191,255,539.58