Finding the Third Proportional to 68,429,384 and 141,709,264

Step by Step Solution

1. Step 1: Write the proportion equation
   68,429,384 : 141,709,264 = 141,709,264 : x
2. Step 2: Convert to fraction form
   68,429,384/141,709,264 = 141,709,264/x
3. Step 3: Cross multiply
   68,429,384x = 141,709,264 × 141,709,264
4. Step 4: Simplify right side
   68,429,384x = 20,081,515,503,421,696
5. Step 5: Solve for x
   x = 20,081,515,503,421,696/68,429,384
6. Step 6: Final answer
   x = 293,463,338.84