Finding the Third Proportional to 86,656,427,953.50 and 188,696,928,691.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,656,427,953.50 : 188,696,928,691.50 = 188,696,928,691.50 : x
2. Step 2: Convert to fraction form
   86,656,427,953.50/188,696,928,691.50 = 188,696,928,691.50/x
3. Step 3: Cross multiply
   86,656,427,953.50x = 188,696,928,691.50 × 188,696,928,691.50
4. Step 4: Simplify right side
   86,656,427,953.50x = 35,606,530,897,605,033,984,000
5. Step 5: Solve for x
   x = 35,606,530,897,605,033,984,000/86,656,427,953.50
6. Step 6: Final answer
   x = 410,893,129,782.73