Finding the Third Proportional to 89,569,152 and 187,090,176

Step by Step Solution

1. Step 1: Write the proportion equation
   89,569,152 : 187,090,176 = 187,090,176 : x
2. Step 2: Convert to fraction form
   89,569,152/187,090,176 = 187,090,176/x
3. Step 3: Cross multiply
   89,569,152x = 187,090,176 × 187,090,176
4. Step 4: Simplify right side
   89,569,152x = 35,002,733,955,710,976
5. Step 5: Solve for x
   x = 35,002,733,955,710,976/89,569,152
6. Step 6: Final answer
   x = 390,790,056.33