Finding the Third Proportional to 27,673,968 and 42,961,342.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,673,968 : 42,961,342.50 = 42,961,342.50 : x
2. Step 2: Convert to fraction form
   27,673,968/42,961,342.50 = 42,961,342.50/x
3. Step 3: Cross multiply
   27,673,968x = 42,961,342.50 × 42,961,342.50
4. Step 4: Simplify right side
   27,673,968x = 1,845,676,949,402,306.25
5. Step 5: Solve for x
   x = 1,845,676,949,402,306.25/27,673,968
6. Step 6: Final answer
   x = 66,693,614.35