Finding the Third Proportional to 8,965,577,470.50 and 19,620,073,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,965,577,470.50 : 19,620,073,210.50 = 19,620,073,210.50 : x
2. Step 2: Convert to fraction form
   8,965,577,470.50/19,620,073,210.50 = 19,620,073,210.50/x
3. Step 3: Cross multiply
   8,965,577,470.50x = 19,620,073,210.50 × 19,620,073,210.50
4. Step 4: Simplify right side
   8,965,577,470.50x = 384,947,272,785,379,786,752
5. Step 5: Solve for x
   x = 384,947,272,785,379,786,752/8,965,577,470.50
6. Step 6: Final answer
   x = 42,936,138,140.79