Finding the Third Proportional to 558,426,615.75 and 1,227,629,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   558,426,615.75 : 1,227,629,155.50 = 1,227,629,155.50 : x
2. Step 2: Convert to fraction form
   558,426,615.75/1,227,629,155.50 = 1,227,629,155.50/x
3. Step 3: Cross multiply
   558,426,615.75x = 1,227,629,155.50 × 1,227,629,155.50
4. Step 4: Simplify right side
   558,426,615.75x = 1,507,073,343,433,643,264
5. Step 5: Solve for x
   x = 1,507,073,343,433,643,264/558,426,615.75
6. Step 6: Final answer
   x = 2,698,784,944.93