Finding the Third Proportional to 1,069,991,055 and 1,506,783,190.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,991,055 : 1,506,783,190.50 = 1,506,783,190.50 : x
2. Step 2: Convert to fraction form
   1,069,991,055/1,506,783,190.50 = 1,506,783,190.50/x
3. Step 3: Cross multiply
   1,069,991,055x = 1,506,783,190.50 × 1,506,783,190.50
4. Step 4: Simplify right side
   1,069,991,055x = 2,270,395,583,173,359,360
5. Step 5: Solve for x
   x = 2,270,395,583,173,359,360/1,069,991,055
6. Step 6: Final answer
   x = 2,121,882,769.55