Finding the Third Proportional to 21,385,123,460 and 44,530,152,132

Step by Step Solution

1. Step 1: Write the proportion equation
   21,385,123,460 : 44,530,152,132 = 44,530,152,132 : x
2. Step 2: Convert to fraction form
   21,385,123,460/44,530,152,132 = 44,530,152,132/x
3. Step 3: Cross multiply
   21,385,123,460x = 44,530,152,132 × 44,530,152,132
4. Step 4: Simplify right side
   21,385,123,460x = 1,982,934,448,899,064,070,144
5. Step 5: Solve for x
   x = 1,982,934,448,899,064,070,144/21,385,123,460
6. Step 6: Final answer
   x = 92,724,947,443.40