Finding the Third Proportional to 129,908,820 and 269,026,002

Step by Step Solution

1. Step 1: Write the proportion equation
   129,908,820 : 269,026,002 = 269,026,002 : x
2. Step 2: Convert to fraction form
   129,908,820/269,026,002 = 269,026,002/x
3. Step 3: Cross multiply
   129,908,820x = 269,026,002 × 269,026,002
4. Step 4: Simplify right side
   129,908,820x = 72,374,989,752,104,000
5. Step 5: Solve for x
   x = 72,374,989,752,104,000/129,908,820
6. Step 6: Final answer
   x = 557,121,446.81