Finding the Third Proportional to 318,574,540 and 695,056,468

Step by Step Solution

1. Step 1: Write the proportion equation
   318,574,540 : 695,056,468 = 695,056,468 : x
2. Step 2: Convert to fraction form
   318,574,540/695,056,468 = 695,056,468/x
3. Step 3: Cross multiply
   318,574,540x = 695,056,468 × 695,056,468
4. Step 4: Simplify right side
   318,574,540x = 483,103,493,708,635,008
5. Step 5: Solve for x
   x = 483,103,493,708,635,008/318,574,540
6. Step 6: Final answer
   x = 1,516,453,554.98