Finding the Third Proportional to 655,457,841 and 1,404,407,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   655,457,841 : 1,404,407,686.50 = 1,404,407,686.50 : x
2. Step 2: Convert to fraction form
   655,457,841/1,404,407,686.50 = 1,404,407,686.50/x
3. Step 3: Cross multiply
   655,457,841x = 1,404,407,686.50 × 1,404,407,686.50
4. Step 4: Simplify right side
   655,457,841x = 1,972,360,949,900,282,368
5. Step 5: Solve for x
   x = 1,972,360,949,900,282,368/655,457,841
6. Step 6: Final answer
   x = 3,009,134,724.65