Finding the Third Proportional to 19,841,019 and 42,516,381

Step by Step Solution

1. Step 1: Write the proportion equation
   19,841,019 : 42,516,381 = 42,516,381 : x
2. Step 2: Convert to fraction form
   19,841,019/42,516,381 = 42,516,381/x
3. Step 3: Cross multiply
   19,841,019x = 42,516,381 × 42,516,381
4. Step 4: Simplify right side
   19,841,019x = 1,807,642,653,337,161
5. Step 5: Solve for x
   x = 1,807,642,653,337,161/19,841,019
6. Step 6: Final answer
   x = 91,106,341.53