Finding the Third Proportional to 27,416,688 and 42,589,262

Step by Step Solution

1. Step 1: Write the proportion equation
   27,416,688 : 42,589,262 = 42,589,262 : x
2. Step 2: Convert to fraction form
   27,416,688/42,589,262 = 42,589,262/x
3. Step 3: Cross multiply
   27,416,688x = 42,589,262 × 42,589,262
4. Step 4: Simplify right side
   27,416,688x = 1,813,845,237,704,644
5. Step 5: Solve for x
   x = 1,813,845,237,704,644/27,416,688
6. Step 6: Final answer
   x = 66,158,437.43