Finding the Third Proportional to 30,885,624 and 67,149,648

Step by Step Solution

1. Step 1: Write the proportion equation
   30,885,624 : 67,149,648 = 67,149,648 : x
2. Step 2: Convert to fraction form
   30,885,624/67,149,648 = 67,149,648/x
3. Step 3: Cross multiply
   30,885,624x = 67,149,648 × 67,149,648
4. Step 4: Simplify right side
   30,885,624x = 4,509,075,226,523,904
5. Step 5: Solve for x
   x = 4,509,075,226,523,904/30,885,624
6. Step 6: Final answer
   x = 145,992,686.65