Finding the Third Proportional to 322,020,076.50 and 707,301,922.50

Step by Step Solution

1. Step 1: Write the proportion equation
   322,020,076.50 : 707,301,922.50 = 707,301,922.50 : x
2. Step 2: Convert to fraction form
   322,020,076.50/707,301,922.50 = 707,301,922.50/x
3. Step 3: Cross multiply
   322,020,076.50x = 707,301,922.50 × 707,301,922.50
4. Step 4: Simplify right side
   322,020,076.50x = 500,276,009,572,196,032
5. Step 5: Solve for x
   x = 500,276,009,572,196,032/322,020,076.50
6. Step 6: Final answer
   x = 1,553,555,340.43