Finding the Third Proportional to 685,755,874 and 1,035,011,123

Step by Step Solution

1. Step 1: Write the proportion equation
   685,755,874 : 1,035,011,123 = 1,035,011,123 : x
2. Step 2: Convert to fraction form
   685,755,874/1,035,011,123 = 1,035,011,123/x
3. Step 3: Cross multiply
   685,755,874x = 1,035,011,123 × 1,035,011,123
4. Step 4: Simplify right side
   685,755,874x = 1,071,248,024,733,721,088
5. Step 5: Solve for x
   x = 1,071,248,024,733,721,088/685,755,874
6. Step 6: Final answer
   x = 1,562,141,959.48