Finding the Third Proportional to 672,044,457 and 1,054,238,498

Step by Step Solution

1. Step 1: Write the proportion equation
   672,044,457 : 1,054,238,498 = 1,054,238,498 : x
2. Step 2: Convert to fraction form
   672,044,457/1,054,238,498 = 1,054,238,498/x
3. Step 3: Cross multiply
   672,044,457x = 1,054,238,498 × 1,054,238,498
4. Step 4: Simplify right side
   672,044,457x = 1,111,418,810,665,296,000
5. Step 5: Solve for x
   x = 1,111,418,810,665,296,000/672,044,457
6. Step 6: Final answer
   x = 1,653,787,631.29