Finding the Third Proportional to 89,854,100 and 128,403,844

Step by Step Solution

1. Step 1: Write the proportion equation
   89,854,100 : 128,403,844 = 128,403,844 : x
2. Step 2: Convert to fraction form
   89,854,100/128,403,844 = 128,403,844/x
3. Step 3: Cross multiply
   89,854,100x = 128,403,844 × 128,403,844
4. Step 4: Simplify right side
   89,854,100x = 16,487,547,153,976,336
5. Step 5: Solve for x
   x = 16,487,547,153,976,336/89,854,100
6. Step 6: Final answer
   x = 183,492,429.99