Finding the Third Proportional to 86,656,350,322 and 188,696,771,255

Step by Step Solution

1. Step 1: Write the proportion equation
   86,656,350,322 : 188,696,771,255 = 188,696,771,255 : x
2. Step 2: Convert to fraction form
   86,656,350,322/188,696,771,255 = 188,696,771,255/x
3. Step 3: Cross multiply
   86,656,350,322x = 188,696,771,255 × 188,696,771,255
4. Step 4: Simplify right side
   86,656,350,322x = 35,606,471,482,061,793,263,616
5. Step 5: Solve for x
   x = 35,606,471,482,061,793,263,616/86,656,350,322
6. Step 6: Final answer
   x = 410,892,812,237.70