Finding the Third Proportional to 321,857,160.75 and 695,168,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   321,857,160.75 : 695,168,131.50 = 695,168,131.50 : x
2. Step 2: Convert to fraction form
   321,857,160.75/695,168,131.50 = 695,168,131.50/x
3. Step 3: Cross multiply
   321,857,160.75x = 695,168,131.50 × 695,168,131.50
4. Step 4: Simplify right side
   321,857,160.75x = 483,258,731,053,201,280
5. Step 5: Solve for x
   x = 483,258,731,053,201,280/321,857,160.75
6. Step 6: Final answer
   x = 1,501,469,564.72