Finding the Third Proportional to 410,642,788 and 855,254,060

Step by Step Solution

1. Step 1: Write the proportion equation
   410,642,788 : 855,254,060 = 855,254,060 : x
2. Step 2: Convert to fraction form
   410,642,788/855,254,060 = 855,254,060/x
3. Step 3: Cross multiply
   410,642,788x = 855,254,060 × 855,254,060
4. Step 4: Simplify right side
   410,642,788x = 731,459,507,146,483,584
5. Step 5: Solve for x
   x = 731,459,507,146,483,584/410,642,788
6. Step 6: Final answer
   x = 1,781,254,970.31