Finding the Third Proportional to 658,589,670 and 1,300,523,139

Step by Step Solution

1. Step 1: Write the proportion equation
   658,589,670 : 1,300,523,139 = 1,300,523,139 : x
2. Step 2: Convert to fraction form
   658,589,670/1,300,523,139 = 1,300,523,139/x
3. Step 3: Cross multiply
   658,589,670x = 1,300,523,139 × 1,300,523,139
4. Step 4: Simplify right side
   658,589,670x = 1,691,360,435,074,413,312
5. Step 5: Solve for x
   x = 1,691,360,435,074,413,312/658,589,670
6. Step 6: Final answer
   x = 2,568,155,123.17