Finding the Third Proportional to 42,472,237.25 and 65,586,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,472,237.25 : 65,586,009.50 = 65,586,009.50 : x
2. Step 2: Convert to fraction form
   42,472,237.25/65,586,009.50 = 65,586,009.50/x
3. Step 3: Cross multiply
   42,472,237.25x = 65,586,009.50 × 65,586,009.50
4. Step 4: Simplify right side
   42,472,237.25x = 4,301,524,642,134,090
5. Step 5: Solve for x
   x = 4,301,524,642,134,090/42,472,237.25
6. Step 6: Final answer
   x = 101,278,503.81