Finding the Third Proportional to 90,744,756 and 139,481,174

Step by Step Solution

1. Step 1: Write the proportion equation
   90,744,756 : 139,481,174 = 139,481,174 : x
2. Step 2: Convert to fraction form
   90,744,756/139,481,174 = 139,481,174/x
3. Step 3: Cross multiply
   90,744,756x = 139,481,174 × 139,481,174
4. Step 4: Simplify right side
   90,744,756x = 19,454,997,900,418,276
5. Step 5: Solve for x
   x = 19,454,997,900,418,276/90,744,756
6. Step 6: Final answer
   x = 214,392,530.85