Finding the Third Proportional to 88,386,433,560 and 189,380,064,816

Step by Step Solution

1. Step 1: Write the proportion equation
   88,386,433,560 : 189,380,064,816 = 189,380,064,816 : x
2. Step 2: Convert to fraction form
   88,386,433,560/189,380,064,816 = 189,380,064,816/x
3. Step 3: Cross multiply
   88,386,433,560x = 189,380,064,816 × 189,380,064,816
4. Step 4: Simplify right side
   88,386,433,560x = 35,864,808,949,712,360,046,592
5. Step 5: Solve for x
   x = 35,864,808,949,712,360,046,592/88,386,433,560
6. Step 6: Final answer
   x = 405,772,781,015.83