Finding the Third Proportional to 699,694,048.50 and 1,619,834,614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   699,694,048.50 : 1,619,834,614.50 = 1,619,834,614.50 : x
2. Step 2: Convert to fraction form
   699,694,048.50/1,619,834,614.50 = 1,619,834,614.50/x
3. Step 3: Cross multiply
   699,694,048.50x = 1,619,834,614.50 × 1,619,834,614.50
4. Step 4: Simplify right side
   699,694,048.50x = 2,623,864,178,332,363,776
5. Step 5: Solve for x
   x = 2,623,864,178,332,363,776/699,694,048.50
6. Step 6: Final answer
   x = 3,750,016,430.69