Finding the Third Proportional to 19,903,327 and 42,573,911

Step by Step Solution

1. Step 1: Write the proportion equation
   19,903,327 : 42,573,911 = 42,573,911 : x
2. Step 2: Convert to fraction form
   19,903,327/42,573,911 = 42,573,911/x
3. Step 3: Cross multiply
   19,903,327x = 42,573,911 × 42,573,911
4. Step 4: Simplify right side
   19,903,327x = 1,812,537,897,835,921
5. Step 5: Solve for x
   x = 1,812,537,897,835,921/19,903,327
6. Step 6: Final answer
   x = 91,067,081.29