Finding the Third Proportional to 89,015,790 and 187,596,060

Step by Step Solution

1. Step 1: Write the proportion equation
   89,015,790 : 187,596,060 = 187,596,060 : x
2. Step 2: Convert to fraction form
   89,015,790/187,596,060 = 187,596,060/x
3. Step 3: Cross multiply
   89,015,790x = 187,596,060 × 187,596,060
4. Step 4: Simplify right side
   89,015,790x = 35,192,281,727,523,600
5. Step 5: Solve for x
   x = 35,192,281,727,523,600/89,015,790
6. Step 6: Final answer
   x = 395,348,754.73