Finding the Third Proportional to 405,531,808 and 832,562,061

Step by Step Solution

1. Step 1: Write the proportion equation
   405,531,808 : 832,562,061 = 832,562,061 : x
2. Step 2: Convert to fraction form
   405,531,808/832,562,061 = 832,562,061/x
3. Step 3: Cross multiply
   405,531,808x = 832,562,061 × 832,562,061
4. Step 4: Simplify right side
   405,531,808x = 693,159,585,416,567,680
5. Step 5: Solve for x
   x = 693,159,585,416,567,680/405,531,808
6. Step 6: Final answer
   x = 1,709,260,708.39