Finding the Third Proportional to 405,531,810 and 832,562,065

Step by Step Solution

1. Step 1: Write the proportion equation
   405,531,810 : 832,562,065 = 832,562,065 : x
2. Step 2: Convert to fraction form
   405,531,810/832,562,065 = 832,562,065/x
3. Step 3: Cross multiply
   405,531,810x = 832,562,065 × 832,562,065
4. Step 4: Simplify right side
   405,531,810x = 693,159,592,077,064,192
5. Step 5: Solve for x
   x = 693,159,592,077,064,192/405,531,810
6. Step 6: Final answer
   x = 1,709,260,716.38