Finding the Third Proportional to 987,693,250.50 and 1,345,298,659.88

Step by Step Solution

1. Step 1: Write the proportion equation
   987,693,250.50 : 1,345,298,659.88 = 1,345,298,659.88 : x
2. Step 2: Convert to fraction form
   987,693,250.50/1,345,298,659.88 = 1,345,298,659.88/x
3. Step 3: Cross multiply
   987,693,250.50x = 1,345,298,659.88 × 1,345,298,659.88
4. Step 4: Simplify right side
   987,693,250.50x = 1,809,828,484,261,470,976
5. Step 5: Solve for x
   x = 1,809,828,484,261,470,976/987,693,250.50
6. Step 6: Final answer
   x = 1,832,379,115.02