Finding the Third Proportional to 19,301,807 and 42,429,047

Step by Step Solution

1. Step 1: Write the proportion equation
   19,301,807 : 42,429,047 = 42,429,047 : x
2. Step 2: Convert to fraction form
   19,301,807/42,429,047 = 42,429,047/x
3. Step 3: Cross multiply
   19,301,807x = 42,429,047 × 42,429,047
4. Step 4: Simplify right side
   19,301,807x = 1,800,224,029,328,209
5. Step 5: Solve for x
   x = 1,800,224,029,328,209/19,301,807
6. Step 6: Final answer
   x = 93,267,124.13