Finding the Third Proportional to 20,602,819.50 and 42,901,164

Step by Step Solution

1. Step 1: Write the proportion equation
   20,602,819.50 : 42,901,164 = 42,901,164 : x
2. Step 2: Convert to fraction form
   20,602,819.50/42,901,164 = 42,901,164/x
3. Step 3: Cross multiply
   20,602,819.50x = 42,901,164 × 42,901,164
4. Step 4: Simplify right side
   20,602,819.50x = 1,840,509,872,554,896
5. Step 5: Solve for x
   x = 1,840,509,872,554,896/20,602,819.50
6. Step 6: Final answer
   x = 89,332,912.54