Finding the Third Proportional to 405,531,790.50 and 832,562,026.50

Step by Step Solution

1. Step 1: Write the proportion equation
   405,531,790.50 : 832,562,026.50 = 832,562,026.50 : x
2. Step 2: Convert to fraction form
   405,531,790.50/832,562,026.50 = 832,562,026.50/x
3. Step 3: Cross multiply
   405,531,790.50x = 832,562,026.50 × 832,562,026.50
4. Step 4: Simplify right side
   405,531,790.50x = 693,159,527,969,786,752
5. Step 5: Solve for x
   x = 693,159,527,969,786,752/405,531,790.50
6. Step 6: Final answer
   x = 1,709,260,640.49