Finding the Third Proportional to 65,455,562 and 142,403,350

Step by Step Solution

1. Step 1: Write the proportion equation
   65,455,562 : 142,403,350 = 142,403,350 : x
2. Step 2: Convert to fraction form
   65,455,562/142,403,350 = 142,403,350/x
3. Step 3: Cross multiply
   65,455,562x = 142,403,350 × 142,403,350
4. Step 4: Simplify right side
   65,455,562x = 20,278,714,091,222,500
5. Step 5: Solve for x
   x = 20,278,714,091,222,500/65,455,562
6. Step 6: Final answer
   x = 309,808,876.00