Finding the Third Proportional to 1,055,819,869.50 and 1,551,407,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055,819,869.50 : 1,551,407,350.50 = 1,551,407,350.50 : x
2. Step 2: Convert to fraction form
   1,055,819,869.50/1,551,407,350.50 = 1,551,407,350.50/x
3. Step 3: Cross multiply
   1,055,819,869.50x = 1,551,407,350.50 × 1,551,407,350.50
4. Step 4: Simplify right side
   1,055,819,869.50x = 2,406,864,767,185,430,016
5. Step 5: Solve for x
   x = 2,406,864,767,185,430,016/1,055,819,869.50
6. Step 6: Final answer
   x = 2,279,616,852.00