Finding the Third Proportional to 581,862,055.50 and 871,939,795.50

Step by Step Solution

1. Step 1: Write the proportion equation
   581,862,055.50 : 871,939,795.50 = 871,939,795.50 : x
2. Step 2: Convert to fraction form
   581,862,055.50/871,939,795.50 = 871,939,795.50/x
3. Step 3: Cross multiply
   581,862,055.50x = 871,939,795.50 × 871,939,795.50
4. Step 4: Simplify right side
   581,862,055.50x = 760,279,006,976,581,760
5. Step 5: Solve for x
   x = 760,279,006,976,581,760/581,862,055.50
6. Step 6: Final answer
   x = 1,306,631,012.95