Finding the Third Proportional to 312,402,188 and 650,661,714

Step by Step Solution

1. Step 1: Write the proportion equation
   312,402,188 : 650,661,714 = 650,661,714 : x
2. Step 2: Convert to fraction form
   312,402,188/650,661,714 = 650,661,714/x
3. Step 3: Cross multiply
   312,402,188x = 650,661,714 × 650,661,714
4. Step 4: Simplify right side
   312,402,188x = 423,360,666,065,417,792
5. Step 5: Solve for x
   x = 423,360,666,065,417,792/312,402,188
6. Step 6: Final answer
   x = 1,355,178,300.05