Finding the Third Proportional to 42,986,403 and 90,824,706

Step by Step Solution

1. Step 1: Write the proportion equation
   42,986,403 : 90,824,706 = 90,824,706 : x
2. Step 2: Convert to fraction form
   42,986,403/90,824,706 = 90,824,706/x
3. Step 3: Cross multiply
   42,986,403x = 90,824,706 × 90,824,706
4. Step 4: Simplify right side
   42,986,403x = 8,249,127,219,986,436
5. Step 5: Solve for x
   x = 8,249,127,219,986,436/42,986,403
6. Step 6: Final answer
   x = 191,900,848.74