Finding the Third Proportional to 355,219,773,688 and 767,055,418,726

Step by Step Solution

1. Step 1: Write the proportion equation
   355,219,773,688 : 767,055,418,726 = 767,055,418,726 : x
2. Step 2: Convert to fraction form
   355,219,773,688/767,055,418,726 = 767,055,418,726/x
3. Step 3: Cross multiply
   355,219,773,688x = 767,055,418,726 × 767,055,418,726
4. Step 4: Simplify right side
   355,219,773,688x = 588,374,015,396,919,214,342,144
5. Step 5: Solve for x
   x = 588,374,015,396,919,214,342,144/355,219,773,688
6. Step 6: Final answer
   x = 1,656,366,168,156.24