Finding the Third Proportional to 28,906,564 and 42,274,230

Step by Step Solution

1. Step 1: Write the proportion equation
   28,906,564 : 42,274,230 = 42,274,230 : x
2. Step 2: Convert to fraction form
   28,906,564/42,274,230 = 42,274,230/x
3. Step 3: Cross multiply
   28,906,564x = 42,274,230 × 42,274,230
4. Step 4: Simplify right side
   28,906,564x = 1,787,110,522,092,900
5. Step 5: Solve for x
   x = 1,787,110,522,092,900/28,906,564
6. Step 6: Final answer
   x = 61,823,692.44