Finding the Third Proportional to 19,847,051 and 42,565,772

Step by Step Solution

1. Step 1: Write the proportion equation
   19,847,051 : 42,565,772 = 42,565,772 : x
2. Step 2: Convert to fraction form
   19,847,051/42,565,772 = 42,565,772/x
3. Step 3: Cross multiply
   19,847,051x = 42,565,772 × 42,565,772
4. Step 4: Simplify right side
   19,847,051x = 1,811,844,945,955,984
5. Step 5: Solve for x
   x = 1,811,844,945,955,984/19,847,051
6. Step 6: Final answer
   x = 91,290,385.96