Finding the Third Proportional to 856,603,582 and 1,155,759,346

Step by Step Solution

1. Step 1: Write the proportion equation
   856,603,582 : 1,155,759,346 = 1,155,759,346 : x
2. Step 2: Convert to fraction form
   856,603,582/1,155,759,346 = 1,155,759,346/x
3. Step 3: Cross multiply
   856,603,582x = 1,155,759,346 × 1,155,759,346
4. Step 4: Simplify right side
   856,603,582x = 1,335,779,665,866,347,776
5. Step 5: Solve for x
   x = 1,335,779,665,866,347,776/856,603,582
6. Step 6: Final answer
   x = 1,559,390,707.60