Finding the Third Proportional to 405,531,802.13 and 832,562,049.38

Step by Step Solution

1. Step 1: Write the proportion equation
   405,531,802.13 : 832,562,049.38 = 832,562,049.38 : x
2. Step 2: Convert to fraction form
   405,531,802.13/832,562,049.38 = 832,562,049.38/x
3. Step 3: Cross multiply
   405,531,802.13x = 832,562,049.38 × 832,562,049.38
4. Step 4: Simplify right side
   405,531,802.13x = 693,159,566,059,499,904
5. Step 5: Solve for x
   x = 693,159,566,059,499,904/405,531,802.13
6. Step 6: Final answer
   x = 1,709,260,685.42