Finding the Third Proportional to 31,842,624 and 69,091,512

Step by Step Solution

1. Step 1: Write the proportion equation
   31,842,624 : 69,091,512 = 69,091,512 : x
2. Step 2: Convert to fraction form
   31,842,624/69,091,512 = 69,091,512/x
3. Step 3: Cross multiply
   31,842,624x = 69,091,512 × 69,091,512
4. Step 4: Simplify right side
   31,842,624x = 4,773,637,030,446,144
5. Step 5: Solve for x
   x = 4,773,637,030,446,144/31,842,624
6. Step 6: Final answer
   x = 149,913,431.46