Finding the Third Proportional to 89,960,943.94 and 138,215,046.94

Step by Step Solution

1. Step 1: Write the proportion equation
   89,960,943.94 : 138,215,046.94 = 138,215,046.94 : x
2. Step 2: Convert to fraction form
   89,960,943.94/138,215,046.94 = 138,215,046.94/x
3. Step 3: Cross multiply
   89,960,943.94x = 138,215,046.94 × 138,215,046.94
4. Step 4: Simplify right side
   89,960,943.94x = 19,103,399,199,935,328
5. Step 5: Solve for x
   x = 19,103,399,199,935,328/89,960,943.94
6. Step 6: Final answer
   x = 212,352,142.65