Finding the Third Proportional to 33,381,689 and 71,172,643

Step by Step Solution

1. Step 1: Write the proportion equation
   33,381,689 : 71,172,643 = 71,172,643 : x
2. Step 2: Convert to fraction form
   33,381,689/71,172,643 = 71,172,643/x
3. Step 3: Cross multiply
   33,381,689x = 71,172,643 × 71,172,643
4. Step 4: Simplify right side
   33,381,689x = 5,065,545,111,605,449
5. Step 5: Solve for x
   x = 5,065,545,111,605,449/33,381,689
6. Step 6: Final answer
   x = 151,746,219.66