Finding the Third Proportional to 423,419,008.50 and 881,634,422.25

Step by Step Solution

1. Step 1: Write the proportion equation
   423,419,008.50 : 881,634,422.25 = 881,634,422.25 : x
2. Step 2: Convert to fraction form
   423,419,008.50/881,634,422.25 = 881,634,422.25/x
3. Step 3: Cross multiply
   423,419,008.50x = 881,634,422.25 × 881,634,422.25
4. Step 4: Simplify right side
   423,419,008.50x = 777,279,254,496,091,264
5. Step 5: Solve for x
   x = 777,279,254,496,091,264/423,419,008.50
6. Step 6: Final answer
   x = 1,835,721,209.71