Finding the Third Proportional to 9,155,048,160 and 19,773,671,424

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155,048,160 : 19,773,671,424 = 19,773,671,424 : x
2. Step 2: Convert to fraction form
   9,155,048,160/19,773,671,424 = 19,773,671,424/x
3. Step 3: Cross multiply
   9,155,048,160x = 19,773,671,424 × 19,773,671,424
4. Step 4: Simplify right side
   9,155,048,160x = 390,998,081,584,314,187,776
5. Step 5: Solve for x
   x = 390,998,081,584,314,187,776/9,155,048,160
6. Step 6: Final answer
   x = 42,708,468,022.34