Finding the Third Proportional to 39,636,047 and 87,066,562

Step by Step Solution

1. Step 1: Write the proportion equation
   39,636,047 : 87,066,562 = 87,066,562 : x
2. Step 2: Convert to fraction form
   39,636,047/87,066,562 = 87,066,562/x
3. Step 3: Cross multiply
   39,636,047x = 87,066,562 × 87,066,562
4. Step 4: Simplify right side
   39,636,047x = 7,580,586,218,499,844
5. Step 5: Solve for x
   x = 7,580,586,218,499,844/39,636,047
6. Step 6: Final answer
   x = 191,254,849.87