Finding the Third Proportional to 19,577,377 and 42,919,473

Step by Step Solution

1. Step 1: Write the proportion equation
   19,577,377 : 42,919,473 = 42,919,473 : x
2. Step 2: Convert to fraction form
   19,577,377/42,919,473 = 42,919,473/x
3. Step 3: Cross multiply
   19,577,377x = 42,919,473 × 42,919,473
4. Step 4: Simplify right side
   19,577,377x = 1,842,081,162,597,729
5. Step 5: Solve for x
   x = 1,842,081,162,597,729/19,577,377
6. Step 6: Final answer
   x = 94,092,337.43