Finding the Third Proportional to 706,870 and 1,070,591

Step by Step Solution

1. Step 1: Write the proportion equation
   706,870 : 1,070,591 = 1,070,591 : x
2. Step 2: Convert to fraction form
   706,870/1,070,591 = 1,070,591/x
3. Step 3: Cross multiply
   706,870x = 1,070,591 × 1,070,591
4. Step 4: Simplify right side
   706,870x = 1,146,165,089,281
5. Step 5: Solve for x
   x = 1,146,165,089,281/706,870
6. Step 6: Final answer
   x = 1,621,465.18